40283720

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1933}}^1$

素因数の和:2465

約数の個数: 32

約数和(自身を含む): 90859320

約数和(自身を除く): 50575600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 1933, 2084, 2605, 3866, 4168, 5210, 7732, 9665, 10420, 15464, 19330, 20840, 38660, 77320, 1007093, 2014186, 4028372, 5035465, 8056744, 10070930, 20141860, 40283720]

約数ペア:

[(1, 40283720), (2, 20141860), (4, 10070930), (5, 8056744), (8, 5035465), (10, 4028372), (20, 2014186), (40, 1007093), (521, 77320), (1042, 38660), (1933, 20840), (2084, 19330), (2605, 15464), (3866, 10420), (4168, 9665), (5210, 7732)]