12611960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1091}}^1$

素因数の和:1136

約数の個数: 48

約数和(自身を含む): 30171960

約数和(自身を除く): 17560000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1091, 1156, 1445, 2182, 2312, 2890, 4364, 5455, 5780, 8728, 10910, 11560, 18547, 21820, 37094, 43640, 74188, 92735, 148376, 185470, 315299, 370940, 630598, 741880, 1261196, 1576495, 2522392, 3152990, 6305980, 12611960]

約数ペア:

[(1, 12611960), (2, 6305980), (4, 3152990), (5, 2522392), (8, 1576495), (10, 1261196), (17, 741880), (20, 630598), (34, 370940), (40, 315299), (68, 185470), (85, 148376), (136, 92735), (170, 74188), (289, 43640), (340, 37094), (578, 21820), (680, 18547), (1091, 11560), (1156, 10910), (1445, 8728), (2182, 5780), (2312, 5455), (2890, 4364)]