8280560

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1163}}^1$

素因数の和:1265

約数の個数: 40

約数和(自身を含む): 19485360

約数和(自身を除く): 11204800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1163, 1424, 1780, 2326, 3560, 4652, 5815, 7120, 9304, 11630, 18608, 23260, 46520, 93040, 103507, 207014, 414028, 517535, 828056, 1035070, 1656112, 2070140, 4140280, 8280560]

約数ペア:

[(1, 8280560), (2, 4140280), (4, 2070140), (5, 1656112), (8, 1035070), (10, 828056), (16, 517535), (20, 414028), (40, 207014), (80, 103507), (89, 93040), (178, 46520), (356, 23260), (445, 18608), (712, 11630), (890, 9304), (1163, 7120), (1424, 5815), (1780, 4652), (2326, 3560)]