258124280

素因数分解:

$2^3\times 5^1\times {\mathrm{6453107}}^1$

素因数の和:6453118

約数の個数: 16

約数和(自身を含む): 580779720

約数和(自身を除く): 322655440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6453107, 12906214, 25812428, 32265535, 51624856, 64531070, 129062140, 258124280]

約数ペア:

[(1, 258124280), (2, 129062140), (4, 64531070), (5, 51624856), (8, 32265535), (10, 25812428), (20, 12906214), (40, 6453107)]