8279480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 21012480

約数和(自身を除く): 12733000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 607, 620, 682, 1214, 1240, 1364, 1705, 2428, 2728, 3035, 3410, 4856, 6070, 6677, 6820, 12140, 13354, 13640, 18817, 24280, 26708, 33385, 37634, 53416, 66770, 75268, 94085, 133540, 150536, 188170, 206987, 267080, 376340, 413974, 752680, 827948, 1034935, 1655896, 2069870, 4139740, 8279480]

約数ペア:

[(1, 8279480), (2, 4139740), (4, 2069870), (5, 1655896), (8, 1034935), (10, 827948), (11, 752680), (20, 413974), (22, 376340), (31, 267080), (40, 206987), (44, 188170), (55, 150536), (62, 133540), (88, 94085), (110, 75268), (124, 66770), (155, 53416), (220, 37634), (248, 33385), (310, 26708), (341, 24280), (440, 18817), (607, 13640), (620, 13354), (682, 12140), (1214, 6820), (1240, 6677), (1364, 6070), (1705, 4856), (2428, 3410), (2728, 3035)]