131320540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 309786624

約数和(自身を除く): 178466084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 97, 127, 130, 164, 194, 205, 254, 260, 388, 410, 485, 508, 533, 635, 820, 970, 1066, 1261, 1270, 1651, 1940, 2132, 2522, 2540, 2665, 3302, 3977, 5044, 5207, 5330, 6305, 6604, 7954, 8255, 10414, 10660, 12319, 12610, 15908, 16510, 19885, 20828, 24638, 25220, 26035, 33020, 39770, 49276, 51701, 52070, 61595, 67691, 79540, 103402, 104140, 123190, 135382, 160147, 206804, 246380, 258505, 270764, 320294, 338455, 505079, 517010, 640588, 676910, 800735, 1010158, 1034020, 1353820, 1601470, 2020316, 2525395, 3202940, 5050790, 6566027, 10101580, 13132054, 26264108, 32830135, 65660270, 131320540]

約数ペア:

[(1, 131320540), (2, 65660270), (4, 32830135), (5, 26264108), (10, 13132054), (13, 10101580), (20, 6566027), (26, 5050790), (41, 3202940), (52, 2525395), (65, 2020316), (82, 1601470), (97, 1353820), (127, 1034020), (130, 1010158), (164, 800735), (194, 676910), (205, 640588), (254, 517010), (260, 505079), (388, 338455), (410, 320294), (485, 270764), (508, 258505), (533, 246380), (635, 206804), (820, 160147), (970, 135382), (1066, 123190), (1261, 104140), (1270, 103402), (1651, 79540), (1940, 67691), (2132, 61595), (2522, 52070), (2540, 51701), (2665, 49276), (3302, 39770), (3977, 33020), (5044, 26035), (5207, 25220), (5330, 24638), (6305, 20828), (6604, 19885), (7954, 16510), (8255, 15908), (10414, 12610), (10660, 12319)]