156788686940

素因数分解:

$2^2\times 5^1\times {\mathrm{40283}}^1\times {\mathrm{194609}}^1$

素因数の和:234901

約数の個数: 24

約数和(自身を含む): 329266108080

約数和(自身を除く): 172477421140

約数列:

[1, 2, 4, 5, 10, 20, 40283, 80566, 161132, 194609, 201415, 389218, 402830, 778436, 805660, 973045, 1946090, 3892180, 7839434347, 15678868694, 31357737388, 39197171735, 78394343470, 156788686940]

約数ペア:

[(1, 156788686940), (2, 78394343470), (4, 39197171735), (5, 31357737388), (10, 15678868694), (20, 7839434347), (40283, 3892180), (80566, 1946090), (161132, 973045), (194609, 805660), (201415, 778436), (389218, 402830)]