25703860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 68866560

約数和(自身を除く): 43162700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 52, 58, 65, 70, 91, 116, 130, 140, 145, 182, 203, 260, 290, 364, 377, 406, 455, 487, 580, 754, 812, 910, 974, 1015, 1508, 1820, 1885, 1948, 2030, 2435, 2639, 3409, 3770, 4060, 4870, 5278, 6331, 6818, 7540, 9740, 10556, 12662, 13195, 13636, 14123, 17045, 25324, 26390, 28246, 31655, 34090, 44317, 52780, 56492, 63310, 68180, 70615, 88634, 98861, 126620, 141230, 177268, 183599, 197722, 221585, 282460, 367198, 395444, 443170, 494305, 734396, 886340, 917995, 988610, 1285193, 1835990, 1977220, 2570386, 3671980, 5140772, 6425965, 12851930, 25703860]

約数ペア:

[(1, 25703860), (2, 12851930), (4, 6425965), (5, 5140772), (7, 3671980), (10, 2570386), (13, 1977220), (14, 1835990), (20, 1285193), (26, 988610), (28, 917995), (29, 886340), (35, 734396), (52, 494305), (58, 443170), (65, 395444), (70, 367198), (91, 282460), (116, 221585), (130, 197722), (140, 183599), (145, 177268), (182, 141230), (203, 126620), (260, 98861), (290, 88634), (364, 70615), (377, 68180), (406, 63310), (455, 56492), (487, 52780), (580, 44317), (754, 34090), (812, 31655), (910, 28246), (974, 26390), (1015, 25324), (1508, 17045), (1820, 14123), (1885, 13636), (1948, 13195), (2030, 12662), (2435, 10556), (2639, 9740), (3409, 7540), (3770, 6818), (4060, 6331), (4870, 5278)]