401024240

素因数分解:

$2^4\times 5^1\times {\mathrm{5012803}}^1$

素因数の和:5012816

約数の個数: 20

約数和(自身を含む): 932381544

約数和(自身を除く): 531357304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5012803, 10025606, 20051212, 25064015, 40102424, 50128030, 80204848, 100256060, 200512120, 401024240]

約数ペア:

[(1, 401024240), (2, 200512120), (4, 100256060), (5, 80204848), (8, 50128030), (10, 40102424), (16, 25064015), (20, 20051212), (40, 10025606), (80, 5012803)]