80493640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{118373}}^1$

素因数の和:118401

約数の個数: 32

約数和(自身を含む): 191765880

約数和(自身を除く): 111272240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 118373, 236746, 473492, 591865, 946984, 1183730, 2012341, 2367460, 4024682, 4734920, 8049364, 10061705, 16098728, 20123410, 40246820, 80493640]

約数ペア:

[(1, 80493640), (2, 40246820), (4, 20123410), (5, 16098728), (8, 10061705), (10, 8049364), (17, 4734920), (20, 4024682), (34, 2367460), (40, 2012341), (68, 1183730), (85, 946984), (136, 591865), (170, 473492), (340, 236746), (680, 118373)]