140421760

素因数分解:

$2^7\times 5^1\times {\mathrm{219409}}^1$

素因数の和:219428

約数の個数: 32

約数和(自身を含む): 335697300

約数和(自身を除く): 195275540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 219409, 438818, 877636, 1097045, 1755272, 2194090, 3510544, 4388180, 7021088, 8776360, 14042176, 17552720, 28084352, 35105440, 70210880, 140421760]

約数ペア:

[(1, 140421760), (2, 70210880), (4, 35105440), (5, 28084352), (8, 17552720), (10, 14042176), (16, 8776360), (20, 7021088), (32, 4388180), (40, 3510544), (64, 2194090), (80, 1755272), (128, 1097045), (160, 877636), (320, 438818), (640, 219409)]