8884040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 22230720

約数和(自身を除く): 13346680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 331, 440, 488, 610, 662, 671, 1220, 1324, 1342, 1655, 2440, 2648, 2684, 3310, 3355, 3641, 5368, 6620, 6710, 7282, 13240, 13420, 14564, 18205, 20191, 26840, 29128, 36410, 40382, 72820, 80764, 100955, 145640, 161528, 201910, 222101, 403820, 444202, 807640, 888404, 1110505, 1776808, 2221010, 4442020, 8884040]

約数ペア:

[(1, 8884040), (2, 4442020), (4, 2221010), (5, 1776808), (8, 1110505), (10, 888404), (11, 807640), (20, 444202), (22, 403820), (40, 222101), (44, 201910), (55, 161528), (61, 145640), (88, 100955), (110, 80764), (122, 72820), (220, 40382), (244, 36410), (305, 29128), (331, 26840), (440, 20191), (488, 18205), (610, 14564), (662, 13420), (671, 13240), (1220, 7282), (1324, 6710), (1342, 6620), (1655, 5368), (2440, 3641), (2648, 3355), (2684, 3310)]