25278550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 30967850

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 41, 50, 55, 59, 82, 95, 110, 118, 190, 205, 209, 275, 295, 410, 418, 451, 475, 550, 590, 649, 779, 902, 950, 1025, 1045, 1121, 1298, 1475, 1558, 2050, 2090, 2242, 2255, 2419, 2950, 3245, 3895, 4510, 4838, 5225, 5605, 6490, 7790, 8569, 10450, 11210, 11275, 12095, 12331, 16225, 17138, 19475, 22550, 24190, 24662, 26609, 28025, 32450, 38950, 42845, 45961, 53218, 56050, 60475, 61655, 85690, 91922, 120950, 123310, 133045, 214225, 229805, 266090, 308275, 428450, 459610, 505571, 616550, 665225, 1011142, 1149025, 1330450, 2298050, 2527855, 5055710, 12639275, 25278550]

約数ペア:

[(1, 25278550), (2, 12639275), (5, 5055710), (10, 2527855), (11, 2298050), (19, 1330450), (22, 1149025), (25, 1011142), (38, 665225), (41, 616550), (50, 505571), (55, 459610), (59, 428450), (82, 308275), (95, 266090), (110, 229805), (118, 214225), (190, 133045), (205, 123310), (209, 120950), (275, 91922), (295, 85690), (410, 61655), (418, 60475), (451, 56050), (475, 53218), (550, 45961), (590, 42845), (649, 38950), (779, 32450), (902, 28025), (950, 26609), (1025, 24662), (1045, 24190), (1121, 22550), (1298, 19475), (1475, 17138), (1558, 16225), (2050, 12331), (2090, 12095), (2242, 11275), (2255, 11210), (2419, 10450), (2950, 8569), (3245, 7790), (3895, 6490), (4510, 5605), (4838, 5225)]