8048687980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3984499}}^1$

素因数の和:3984609

約数の個数: 24

約数和(自身を含む): 17069598000

約数和(自身を除く): 9020910020

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 3984499, 7968998, 15937996, 19922495, 39844990, 79689980, 402434399, 804868798, 1609737596, 2012171995, 4024343990, 8048687980]

約数ペア:

[(1, 8048687980), (2, 4024343990), (4, 2012171995), (5, 1609737596), (10, 804868798), (20, 402434399), (101, 79689980), (202, 39844990), (404, 19922495), (505, 15937996), (1010, 7968998), (2020, 3984499)]