81644260

素因数分解:

$2^2\times 5^1\times {\mathrm{773}}^1\times {\mathrm{5281}}^1$

素因数の和:6063

約数の個数: 24

約数和(自身を含む): 171707256

約数和(自身を除く): 90062996

約数列:

[1, 2, 4, 5, 10, 20, 773, 1546, 3092, 3865, 5281, 7730, 10562, 15460, 21124, 26405, 52810, 105620, 4082213, 8164426, 16328852, 20411065, 40822130, 81644260]

約数ペア:

[(1, 81644260), (2, 40822130), (4, 20411065), (5, 16328852), (10, 8164426), (20, 4082213), (773, 105620), (1546, 52810), (3092, 26405), (3865, 21124), (5281, 15460), (7730, 10562)]