51644060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1429}}^1$

素因数の和:1590

約数の個数: 48

約数和(自身を含む): 117717600

約数和(自身を除く): 66073540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1429, 1807, 2780, 2858, 3614, 5716, 7145, 7228, 9035, 14290, 18070, 18577, 28580, 36140, 37154, 74308, 92885, 185770, 198631, 371540, 397262, 794524, 993155, 1986310, 2582203, 3972620, 5164406, 10328812, 12911015, 25822030, 51644060]

約数ペア:

[(1, 51644060), (2, 25822030), (4, 12911015), (5, 10328812), (10, 5164406), (13, 3972620), (20, 2582203), (26, 1986310), (52, 993155), (65, 794524), (130, 397262), (139, 371540), (260, 198631), (278, 185770), (556, 92885), (695, 74308), (1390, 37154), (1429, 36140), (1807, 28580), (2780, 18577), (2858, 18070), (3614, 14290), (5716, 9035), (7145, 7228)]