65410880

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2879}}^1$

素因数の和:2967

約数の個数: 56

約数和(自身を含む): 158008320

約数和(自身を除く): 92597440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 2879, 4544, 5680, 5758, 11360, 11516, 14395, 22720, 23032, 28790, 46064, 57580, 92128, 115160, 184256, 204409, 230320, 408818, 460640, 817636, 921280, 1022045, 1635272, 2044090, 3270544, 4088180, 6541088, 8176360, 13082176, 16352720, 32705440, 65410880]

約数ペア:

[(1, 65410880), (2, 32705440), (4, 16352720), (5, 13082176), (8, 8176360), (10, 6541088), (16, 4088180), (20, 3270544), (32, 2044090), (40, 1635272), (64, 1022045), (71, 921280), (80, 817636), (142, 460640), (160, 408818), (284, 230320), (320, 204409), (355, 184256), (568, 115160), (710, 92128), (1136, 57580), (1420, 46064), (2272, 28790), (2840, 23032), (2879, 22720), (4544, 14395), (5680, 11516), (5758, 11360)]