251284640

素因数分解:

$2^5\times 5^1\times {\mathrm{941}}^1\times {\mathrm{1669}}^1$

素因数の和:2625

約数の個数: 48

約数和(自身を含む): 594646920

約数和(自身を除く): 343362280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 941, 1669, 1882, 3338, 3764, 4705, 6676, 7528, 8345, 9410, 13352, 15056, 16690, 18820, 26704, 30112, 33380, 37640, 53408, 66760, 75280, 133520, 150560, 267040, 1570529, 3141058, 6282116, 7852645, 12564232, 15705290, 25128464, 31410580, 50256928, 62821160, 125642320, 251284640]

約数ペア:

[(1, 251284640), (2, 125642320), (4, 62821160), (5, 50256928), (8, 31410580), (10, 25128464), (16, 15705290), (20, 12564232), (32, 7852645), (40, 6282116), (80, 3141058), (160, 1570529), (941, 267040), (1669, 150560), (1882, 133520), (3338, 75280), (3764, 66760), (4705, 53408), (6676, 37640), (7528, 33380), (8345, 30112), (9410, 26704), (13352, 18820), (15056, 16690)]