65262020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 140652288

約数和(自身を除く): 75390268

約数列:

[1, 2, 4, 5, 10, 20, 67, 113, 134, 226, 268, 335, 431, 452, 565, 670, 862, 1130, 1340, 1724, 2155, 2260, 4310, 7571, 8620, 15142, 28877, 30284, 37855, 48703, 57754, 75710, 97406, 115508, 144385, 151420, 194812, 243515, 288770, 487030, 577540, 974060, 3263101, 6526202, 13052404, 16315505, 32631010, 65262020]

約数ペア:

[(1, 65262020), (2, 32631010), (4, 16315505), (5, 13052404), (10, 6526202), (20, 3263101), (67, 974060), (113, 577540), (134, 487030), (226, 288770), (268, 243515), (335, 194812), (431, 151420), (452, 144385), (565, 115508), (670, 97406), (862, 75710), (1130, 57754), (1340, 48703), (1724, 37855), (2155, 30284), (2260, 28877), (4310, 15142), (7571, 8620)]