82415980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{132929}}^1$

素因数の和:132969

約数の個数: 24

約数和(自身を含む): 178657920

約数和(自身を除く): 96241940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 132929, 265858, 531716, 664645, 1329290, 2658580, 4120799, 8241598, 16483196, 20603995, 41207990, 82415980]

約数ペア:

[(1, 82415980), (2, 41207990), (4, 20603995), (5, 16483196), (10, 8241598), (20, 4120799), (31, 2658580), (62, 1329290), (124, 664645), (155, 531716), (310, 265858), (620, 132929)]