7841080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{887}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 20139840

約数和(自身を除く): 12298760

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 887, 1105, 1768, 1774, 2210, 3548, 4420, 4435, 7096, 8840, 8870, 11531, 15079, 17740, 23062, 30158, 35480, 46124, 57655, 60316, 75395, 92248, 115310, 120632, 150790, 196027, 230620, 301580, 392054, 461240, 603160, 784108, 980135, 1568216, 1960270, 3920540, 7841080]

約数ペア:

[(1, 7841080), (2, 3920540), (4, 1960270), (5, 1568216), (8, 980135), (10, 784108), (13, 603160), (17, 461240), (20, 392054), (26, 301580), (34, 230620), (40, 196027), (52, 150790), (65, 120632), (68, 115310), (85, 92248), (104, 75395), (130, 60316), (136, 57655), (170, 46124), (221, 35480), (260, 30158), (340, 23062), (442, 17740), (520, 15079), (680, 11531), (884, 8870), (887, 8840), (1105, 7096), (1768, 4435), (1774, 4420), (2210, 3548)]