20123050750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4481}}^1$

素因数の和:4603

約数の個数: 128

約数和(自身を含む): 43495335936

約数和(自身を除く): 23372285186

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 71, 110, 115, 125, 142, 230, 250, 253, 275, 355, 506, 550, 575, 710, 781, 1150, 1265, 1375, 1562, 1633, 1775, 2530, 2750, 2875, 3266, 3550, 3905, 4481, 5750, 6325, 7810, 8165, 8875, 8962, 12650, 16330, 17750, 17963, 19525, 22405, 31625, 35926, 39050, 40825, 44810, 49291, 63250, 81650, 89815, 97625, 98582, 103063, 112025, 179630, 195250, 204125, 206126, 224050, 246455, 318151, 408250, 449075, 492910, 515315, 560125, 636302, 898150, 1030630, 1120250, 1133693, 1232275, 1590755, 2245375, 2267386, 2464550, 2576575, 3181510, 3499661, 4490750, 5153150, 5668465, 6161375, 6999322, 7317473, 7953775, 11336930, 12322750, 12882875, 14634946, 15907550, 17498305, 25765750, 28342325, 34996610, 36587365, 39768875, 56684650, 73174730, 79537750, 80492203, 87491525, 141711625, 160984406, 174983050, 182936825, 283423250, 365873650, 402461015, 437457625, 804922030, 874915250, 914684125, 1829368250, 2012305075, 4024610150, 10061525375, 20123050750]

約数ペア:

[(1, 20123050750), (2, 10061525375), (5, 4024610150), (10, 2012305075), (11, 1829368250), (22, 914684125), (23, 874915250), (25, 804922030), (46, 437457625), (50, 402461015), (55, 365873650), (71, 283423250), (110, 182936825), (115, 174983050), (125, 160984406), (142, 141711625), (230, 87491525), (250, 80492203), (253, 79537750), (275, 73174730), (355, 56684650), (506, 39768875), (550, 36587365), (575, 34996610), (710, 28342325), (781, 25765750), (1150, 17498305), (1265, 15907550), (1375, 14634946), (1562, 12882875), (1633, 12322750), (1775, 11336930), (2530, 7953775), (2750, 7317473), (2875, 6999322), (3266, 6161375), (3550, 5668465), (3905, 5153150), (4481, 4490750), (5750, 3499661), (6325, 3181510), (7810, 2576575), (8165, 2464550), (8875, 2267386), (8962, 2245375), (12650, 1590755), (16330, 1232275), (17750, 1133693), (17963, 1120250), (19525, 1030630), (22405, 898150), (31625, 636302), (35926, 560125), (39050, 515315), (40825, 492910), (44810, 449075), (49291, 408250), (63250, 318151), (81650, 246455), (89815, 224050), (97625, 206126), (98582, 204125), (103063, 195250), (112025, 179630)]