13879940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 30664704

約数和(自身を除く): 16784764

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 367, 610, 620, 734, 1220, 1468, 1835, 1891, 3670, 3782, 7340, 7564, 9455, 11377, 18910, 22387, 22754, 37820, 44774, 45508, 56885, 89548, 111935, 113770, 223870, 227540, 447740, 693997, 1387994, 2775988, 3469985, 6939970, 13879940]

約数ペア:

[(1, 13879940), (2, 6939970), (4, 3469985), (5, 2775988), (10, 1387994), (20, 693997), (31, 447740), (61, 227540), (62, 223870), (122, 113770), (124, 111935), (155, 89548), (244, 56885), (305, 45508), (310, 44774), (367, 37820), (610, 22754), (620, 22387), (734, 18910), (1220, 11377), (1468, 9455), (1835, 7564), (1891, 7340), (3670, 3782)]