81763600

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2879}}^1$

素因数の和:2968

約数の個数: 60

約数和(自身を含む): 199272960

約数和(自身を除く): 117509360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 1136, 1420, 1775, 2840, 2879, 3550, 5680, 5758, 7100, 11516, 14200, 14395, 23032, 28400, 28790, 46064, 57580, 71975, 115160, 143950, 204409, 230320, 287900, 408818, 575800, 817636, 1022045, 1151600, 1635272, 2044090, 3270544, 4088180, 5110225, 8176360, 10220450, 16352720, 20440900, 40881800, 81763600]

約数ペア:

[(1, 81763600), (2, 40881800), (4, 20440900), (5, 16352720), (8, 10220450), (10, 8176360), (16, 5110225), (20, 4088180), (25, 3270544), (40, 2044090), (50, 1635272), (71, 1151600), (80, 1022045), (100, 817636), (142, 575800), (200, 408818), (284, 287900), (355, 230320), (400, 204409), (568, 143950), (710, 115160), (1136, 71975), (1420, 57580), (1775, 46064), (2840, 28790), (2879, 28400), (3550, 23032), (5680, 14395), (5758, 14200), (7100, 11516)]