51141220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{823}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 116282880

約数和(自身を除く): 65141660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 823, 956, 1195, 1646, 2390, 3107, 3292, 4115, 4780, 6214, 8230, 10699, 12428, 15535, 16460, 21398, 31070, 42796, 53495, 62140, 106990, 196697, 213980, 393394, 786788, 983485, 1966970, 2557061, 3933940, 5114122, 10228244, 12785305, 25570610, 51141220]

約数ペア:

[(1, 51141220), (2, 25570610), (4, 12785305), (5, 10228244), (10, 5114122), (13, 3933940), (20, 2557061), (26, 1966970), (52, 983485), (65, 786788), (130, 393394), (239, 213980), (260, 196697), (478, 106990), (823, 62140), (956, 53495), (1195, 42796), (1646, 31070), (2390, 21398), (3107, 16460), (3292, 15535), (4115, 12428), (4780, 10699), (6214, 8230)]