40881800

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2879}}^1$

素因数の和:2966

約数の個数: 48

約数和(自身を含む): 96422400

約数和(自身を除く): 55540600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2840, 2879, 3550, 5758, 7100, 11516, 14200, 14395, 23032, 28790, 57580, 71975, 115160, 143950, 204409, 287900, 408818, 575800, 817636, 1022045, 1635272, 2044090, 4088180, 5110225, 8176360, 10220450, 20440900, 40881800]

約数ペア:

[(1, 40881800), (2, 20440900), (4, 10220450), (5, 8176360), (8, 5110225), (10, 4088180), (20, 2044090), (25, 1635272), (40, 1022045), (50, 817636), (71, 575800), (100, 408818), (142, 287900), (200, 204409), (284, 143950), (355, 115160), (568, 71975), (710, 57580), (1420, 28790), (1775, 23032), (2840, 14395), (2879, 14200), (3550, 11516), (5758, 7100)]