40891980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8627}}^1$

素因数の和:8718

約数の個数: 48

約数和(自身を含む): 115960320

約数和(自身を除く): 75068340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 8627, 17254, 25881, 34508, 43135, 51762, 86270, 103524, 129405, 172540, 258810, 517620, 681533, 1363066, 2044599, 2726132, 3407665, 4089198, 6815330, 8178396, 10222995, 13630660, 20445990, 40891980]

約数ペア:

[(1, 40891980), (2, 20445990), (3, 13630660), (4, 10222995), (5, 8178396), (6, 6815330), (10, 4089198), (12, 3407665), (15, 2726132), (20, 2044599), (30, 1363066), (60, 681533), (79, 517620), (158, 258810), (237, 172540), (316, 129405), (395, 103524), (474, 86270), (790, 51762), (948, 43135), (1185, 34508), (1580, 25881), (2370, 17254), (4740, 8627)]