254103630280

素因数分解:

$2^3\times 5^1\times {\mathrm{25603}}^1\times {\mathrm{248119}}^1$

素因数の和:273733

約数の個数: 32

約数和(自身を含む): 571757803200

約数和(自身を除く): 317654172920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 25603, 51206, 102412, 128015, 204824, 248119, 256030, 496238, 512060, 992476, 1024120, 1240595, 1984952, 2481190, 4962380, 9924760, 6352590757, 12705181514, 25410363028, 31762953785, 50820726056, 63525907570, 127051815140, 254103630280]

約数ペア:

[(1, 254103630280), (2, 127051815140), (4, 63525907570), (5, 50820726056), (8, 31762953785), (10, 25410363028), (20, 12705181514), (40, 6352590757), (25603, 9924760), (51206, 4962380), (102412, 2481190), (128015, 1984952), (204824, 1240595), (248119, 1024120), (256030, 992476), (496238, 512060)]