4002065

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 5116800

約数和(自身を除く): 1114735

約数列:

[1, 5, 19, 95, 103, 409, 515, 1957, 2045, 7771, 9785, 38855, 42127, 210635, 800413, 4002065]

約数ペア:

[(1, 4002065), (5, 800413), (19, 210635), (95, 42127), (103, 38855), (409, 9785), (515, 7771), (1957, 2045)]