40353340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1031}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 90155520

約数和(自身を除く): 49802180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 1030, 1031, 1957, 2060, 2062, 3914, 4124, 5155, 7828, 9785, 10310, 19570, 19589, 20620, 39140, 39178, 78356, 97945, 106193, 195890, 212386, 391780, 424772, 530965, 1061930, 2017667, 2123860, 4035334, 8070668, 10088335, 20176670, 40353340]

約数ペア:

[(1, 40353340), (2, 20176670), (4, 10088335), (5, 8070668), (10, 4035334), (19, 2123860), (20, 2017667), (38, 1061930), (76, 530965), (95, 424772), (103, 391780), (190, 212386), (206, 195890), (380, 106193), (412, 97945), (515, 78356), (1030, 39178), (1031, 39140), (1957, 20620), (2060, 19589), (2062, 19570), (3914, 10310), (4124, 9785), (5155, 7828)]