40678768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{877}}^1$

素因数の和:1121

約数の個数: 40

約数和(自身を含む): 85355648

約数和(自身を除く): 44676880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 223, 446, 877, 892, 1754, 1784, 2899, 3508, 3568, 5798, 7016, 11401, 11596, 14032, 22802, 23192, 45604, 46384, 91208, 182416, 195571, 391142, 782284, 1564568, 2542423, 3129136, 5084846, 10169692, 20339384, 40678768]

約数ペア:

[(1, 40678768), (2, 20339384), (4, 10169692), (8, 5084846), (13, 3129136), (16, 2542423), (26, 1564568), (52, 782284), (104, 391142), (208, 195571), (223, 182416), (446, 91208), (877, 46384), (892, 45604), (1754, 23192), (1784, 22802), (2899, 14032), (3508, 11596), (3568, 11401), (5798, 7016)]