25613940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^2$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 78638112

約数和(自身を除く): 53024172

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 197, 220, 330, 394, 591, 660, 788, 985, 1182, 1970, 2167, 2364, 2955, 3940, 4334, 5910, 6501, 8668, 10835, 11820, 13002, 21670, 26004, 32505, 38809, 43340, 65010, 77618, 116427, 130020, 155236, 194045, 232854, 388090, 426899, 465708, 582135, 776180, 853798, 1164270, 1280697, 1707596, 2134495, 2328540, 2561394, 4268990, 5122788, 6403485, 8537980, 12806970, 25613940]

約数ペア:

[(1, 25613940), (2, 12806970), (3, 8537980), (4, 6403485), (5, 5122788), (6, 4268990), (10, 2561394), (11, 2328540), (12, 2134495), (15, 1707596), (20, 1280697), (22, 1164270), (30, 853798), (33, 776180), (44, 582135), (55, 465708), (60, 426899), (66, 388090), (110, 232854), (132, 194045), (165, 155236), (197, 130020), (220, 116427), (330, 77618), (394, 65010), (591, 43340), (660, 38809), (788, 32505), (985, 26004), (1182, 21670), (1970, 13002), (2167, 11820), (2364, 10835), (2955, 8668), (3940, 6501), (4334, 5910)]