64783940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{14657}}^1$

素因数の和:14696

約数の個数: 48

約数和(自身を含む): 155140272

約数和(自身を除く): 90356332

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 14657, 29314, 58628, 73285, 146570, 190541, 249169, 293140, 381082, 498338, 762164, 952705, 996676, 1245845, 1905410, 2491690, 3239197, 3810820, 4983380, 6478394, 12956788, 16195985, 32391970, 64783940]

約数ペア:

[(1, 64783940), (2, 32391970), (4, 16195985), (5, 12956788), (10, 6478394), (13, 4983380), (17, 3810820), (20, 3239197), (26, 2491690), (34, 1905410), (52, 1245845), (65, 996676), (68, 952705), (85, 762164), (130, 498338), (170, 381082), (221, 293140), (260, 249169), (340, 190541), (442, 146570), (884, 73285), (1105, 58628), (2210, 29314), (4420, 14657)]