8764720

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1231}}^1$

素因数の和:1333

約数の個数: 40

約数和(自身を含む): 20623680

約数和(自身を除く): 11858960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1231, 1424, 1780, 2462, 3560, 4924, 6155, 7120, 9848, 12310, 19696, 24620, 49240, 98480, 109559, 219118, 438236, 547795, 876472, 1095590, 1752944, 2191180, 4382360, 8764720]

約数ペア:

[(1, 8764720), (2, 4382360), (4, 2191180), (5, 1752944), (8, 1095590), (10, 876472), (16, 547795), (20, 438236), (40, 219118), (80, 109559), (89, 98480), (178, 49240), (356, 24620), (445, 19696), (712, 12310), (890, 9848), (1231, 7120), (1424, 6155), (1780, 4924), (2462, 3560)]