40627580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{557}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 97868736

約数和(自身を除く): 57241156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521, 557, 1042, 1114, 2084, 2228, 2605, 2785, 3647, 3899, 5210, 5570, 7294, 7798, 10420, 11140, 14588, 15596, 18235, 19495, 36470, 38990, 72940, 77980, 290197, 580394, 1160788, 1450985, 2031379, 2901970, 4062758, 5803940, 8125516, 10156895, 20313790, 40627580]

約数ペア:

[(1, 40627580), (2, 20313790), (4, 10156895), (5, 8125516), (7, 5803940), (10, 4062758), (14, 2901970), (20, 2031379), (28, 1450985), (35, 1160788), (70, 580394), (140, 290197), (521, 77980), (557, 72940), (1042, 38990), (1114, 36470), (2084, 19495), (2228, 18235), (2605, 15596), (2785, 14588), (3647, 11140), (3899, 10420), (5210, 7798), (5570, 7294)]