40854140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{33487}}^1$

素因数の和:33557

約数の個数: 24

約数和(自身を含む): 87202752

約数和(自身を除く): 46348612

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 33487, 66974, 133948, 167435, 334870, 669740, 2042707, 4085414, 8170828, 10213535, 20427070, 40854140]

約数ペア:

[(1, 40854140), (2, 20427070), (4, 10213535), (5, 8170828), (10, 4085414), (20, 2042707), (61, 669740), (122, 334870), (244, 167435), (305, 133948), (610, 66974), (1220, 33487)]