65485940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4129}}^1$

素因数の和:4212

約数の個数: 48

約数和(自身を含む): 150563280

約数和(自身を除く): 85077340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 4129, 7930, 8258, 15860, 16516, 20645, 41290, 53677, 82580, 107354, 214708, 251869, 268385, 503738, 536770, 1007476, 1073540, 1259345, 2518690, 3274297, 5037380, 6548594, 13097188, 16371485, 32742970, 65485940]

約数ペア:

[(1, 65485940), (2, 32742970), (4, 16371485), (5, 13097188), (10, 6548594), (13, 5037380), (20, 3274297), (26, 2518690), (52, 1259345), (61, 1073540), (65, 1007476), (122, 536770), (130, 503738), (244, 268385), (260, 251869), (305, 214708), (610, 107354), (793, 82580), (1220, 53677), (1586, 41290), (3172, 20645), (3965, 16516), (4129, 15860), (7930, 8258)]