61838440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53309}}^1$

素因数の和:53349

約数の個数: 32

約数和(自身を含む): 143937000

約数和(自身を除く): 82098560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 53309, 106618, 213236, 266545, 426472, 533090, 1066180, 1545961, 2132360, 3091922, 6183844, 7729805, 12367688, 15459610, 30919220, 61838440]

約数ペア:

[(1, 61838440), (2, 30919220), (4, 15459610), (5, 12367688), (8, 7729805), (10, 6183844), (20, 3091922), (29, 2132360), (40, 1545961), (58, 1066180), (116, 533090), (145, 426472), (232, 266545), (290, 213236), (580, 106618), (1160, 53309)]