51156040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98377}}^1$

素因数の和:98401

約数の個数: 32

約数和(自身を含む): 123956280

約数和(自身を除く): 72800240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 98377, 196754, 393508, 491885, 787016, 983770, 1278901, 1967540, 2557802, 3935080, 5115604, 6394505, 10231208, 12789010, 25578020, 51156040]

約数ペア:

[(1, 51156040), (2, 25578020), (4, 12789010), (5, 10231208), (8, 6394505), (10, 5115604), (13, 3935080), (20, 2557802), (26, 1967540), (40, 1278901), (52, 983770), (65, 787016), (104, 491885), (130, 393508), (260, 196754), (520, 98377)]