77418640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74441}}^1$

素因数の和:74467

約数の個数: 40

約数和(自身を含む): 193846968

約数和(自身を除く): 116428328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 74441, 148882, 297764, 372205, 595528, 744410, 967733, 1191056, 1488820, 1935466, 2977640, 3870932, 4838665, 5955280, 7741864, 9677330, 15483728, 19354660, 38709320, 77418640]

約数ペア:

[(1, 77418640), (2, 38709320), (4, 19354660), (5, 15483728), (8, 9677330), (10, 7741864), (13, 5955280), (16, 4838665), (20, 3870932), (26, 2977640), (40, 1935466), (52, 1488820), (65, 1191056), (80, 967733), (104, 744410), (130, 595528), (208, 372205), (260, 297764), (520, 148882), (1040, 74441)]