8158996840

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1\times {\mathrm{6637}}^1$

素因数の和:7142

約数の個数: 64

約数和(自身を含む): 18656231760

約数和(自身を除く): 10497234920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 421, 584, 730, 842, 1460, 1684, 2105, 2920, 3368, 4210, 6637, 8420, 13274, 16840, 26548, 30733, 33185, 53096, 61466, 66370, 122932, 132740, 153665, 245864, 265480, 307330, 484501, 614660, 969002, 1229320, 1938004, 2422505, 2794177, 3876008, 4845010, 5588354, 9690020, 11176708, 13970885, 19380040, 22353416, 27941770, 55883540, 111767080, 203974921, 407949842, 815899684, 1019874605, 1631799368, 2039749210, 4079498420, 8158996840]

約数ペア:

[(1, 8158996840), (2, 4079498420), (4, 2039749210), (5, 1631799368), (8, 1019874605), (10, 815899684), (20, 407949842), (40, 203974921), (73, 111767080), (146, 55883540), (292, 27941770), (365, 22353416), (421, 19380040), (584, 13970885), (730, 11176708), (842, 9690020), (1460, 5588354), (1684, 4845010), (2105, 3876008), (2920, 2794177), (3368, 2422505), (4210, 1938004), (6637, 1229320), (8420, 969002), (13274, 614660), (16840, 484501), (26548, 307330), (30733, 265480), (33185, 245864), (53096, 153665), (61466, 132740), (66370, 122932)]