2016974720

素因数分解:

$2^7\times 5^1\times {\mathrm{3151523}}^1$

素因数の和:3151542

約数の個数: 32

約数和(自身を含む): 4821831720

約数和(自身を除く): 2804857000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3151523, 6303046, 12606092, 15757615, 25212184, 31515230, 50424368, 63030460, 100848736, 126060920, 201697472, 252121840, 403394944, 504243680, 1008487360, 2016974720]

約数ペア:

[(1, 2016974720), (2, 1008487360), (4, 504243680), (5, 403394944), (8, 252121840), (10, 201697472), (16, 126060920), (20, 100848736), (32, 63030460), (40, 50424368), (64, 31515230), (80, 25212184), (128, 15757615), (160, 12606092), (320, 6303046), (640, 3151523)]