440050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{677}}^1$

素因数の和:702

約数の個数: 24

約数和(自身を含む): 882756

約数和(自身を除く): 442706

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 677, 1354, 3385, 6770, 8801, 16925, 17602, 33850, 44005, 88010, 220025, 440050]

約数ペア:

[(1, 440050), (2, 220025), (5, 88010), (10, 44005), (13, 33850), (25, 17602), (26, 16925), (50, 8801), (65, 6770), (130, 3385), (325, 1354), (650, 677)]