64064720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11279}}^1$

素因数の和:11363

約数の個数: 40

約数和(自身を含む): 151061760

約数和(自身を除く): 86997040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 11279, 22558, 45116, 56395, 90232, 112790, 180464, 225580, 451160, 800809, 902320, 1601618, 3203236, 4004045, 6406472, 8008090, 12812944, 16016180, 32032360, 64064720]

約数ペア:

[(1, 64064720), (2, 32032360), (4, 16016180), (5, 12812944), (8, 8008090), (10, 6406472), (16, 4004045), (20, 3203236), (40, 1601618), (71, 902320), (80, 800809), (142, 451160), (284, 225580), (355, 180464), (568, 112790), (710, 90232), (1136, 56395), (1420, 45116), (2840, 22558), (5680, 11279)]