1338865580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5149483}}^1$

素因数の和:5149505

約数の個数: 24

約数和(自身を含む): 3027896592

約数和(自身を除く): 1689031012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 5149483, 10298966, 20597932, 25747415, 51494830, 66943279, 102989660, 133886558, 267773116, 334716395, 669432790, 1338865580]

約数ペア:

[(1, 1338865580), (2, 669432790), (4, 334716395), (5, 267773116), (10, 133886558), (13, 102989660), (20, 66943279), (26, 51494830), (52, 25747415), (65, 20597932), (130, 10298966), (260, 5149483)]