42165640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1571}}^1$

素因数の和:1654

約数の個数: 64

約数和(自身を含む): 105261120

約数和(自身を除く): 63095480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 1571, 2440, 2684, 3142, 3355, 5368, 6284, 6710, 7855, 12568, 13420, 15710, 17281, 26840, 31420, 34562, 62840, 69124, 86405, 95831, 138248, 172810, 191662, 345620, 383324, 479155, 691240, 766648, 958310, 1054141, 1916620, 2108282, 3833240, 4216564, 5270705, 8433128, 10541410, 21082820, 42165640]

約数ペア:

[(1, 42165640), (2, 21082820), (4, 10541410), (5, 8433128), (8, 5270705), (10, 4216564), (11, 3833240), (20, 2108282), (22, 1916620), (40, 1054141), (44, 958310), (55, 766648), (61, 691240), (88, 479155), (110, 383324), (122, 345620), (220, 191662), (244, 172810), (305, 138248), (440, 95831), (488, 86405), (610, 69124), (671, 62840), (1220, 34562), (1342, 31420), (1571, 26840), (2440, 17281), (2684, 15710), (3142, 13420), (3355, 12568), (5368, 7855), (6284, 6710)]