1400162420

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{171169}}^1$

素因数の和:171587

約数の個数: 24

約数和(自身を含む): 2947547400

約数和(自身を除く): 1547384980

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 171169, 342338, 684676, 855845, 1711690, 3423380, 70008121, 140016242, 280032484, 350040605, 700081210, 1400162420]

約数ペア:

[(1, 1400162420), (2, 700081210), (4, 350040605), (5, 280032484), (10, 140016242), (20, 70008121), (409, 3423380), (818, 1711690), (1636, 855845), (2045, 684676), (4090, 342338), (8180, 171169)]