16352720

素因数分解:

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

素因数の和:2963

約数の個数: 40

約数和(自身を含む): 38568960

約数和(自身を除く): 22216240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 2879, 5680, 5758, 11516, 14395, 23032, 28790, 46064, 57580, 115160, 204409, 230320, 408818, 817636, 1022045, 1635272, 2044090, 3270544, 4088180, 8176360, 16352720]

約数ペア:

[(1, 16352720), (2, 8176360), (4, 4088180), (5, 3270544), (8, 2044090), (10, 1635272), (16, 1022045), (20, 817636), (40, 408818), (71, 230320), (80, 204409), (142, 115160), (284, 57580), (355, 46064), (568, 28790), (710, 23032), (1136, 14395), (1420, 11516), (2840, 5758), (2879, 5680)]