8513240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 20412000

約数和(自身を除く): 11898760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 179, 205, 232, 290, 328, 358, 410, 580, 716, 820, 895, 1160, 1189, 1432, 1640, 1790, 2378, 3580, 4756, 5191, 5945, 7160, 7339, 9512, 10382, 11890, 14678, 20764, 23780, 25955, 29356, 36695, 41528, 47560, 51910, 58712, 73390, 103820, 146780, 207640, 212831, 293560, 425662, 851324, 1064155, 1702648, 2128310, 4256620, 8513240]

約数ペア:

[(1, 8513240), (2, 4256620), (4, 2128310), (5, 1702648), (8, 1064155), (10, 851324), (20, 425662), (29, 293560), (40, 212831), (41, 207640), (58, 146780), (82, 103820), (116, 73390), (145, 58712), (164, 51910), (179, 47560), (205, 41528), (232, 36695), (290, 29356), (328, 25955), (358, 23780), (410, 20764), (580, 14678), (716, 11890), (820, 10382), (895, 9512), (1160, 7339), (1189, 7160), (1432, 5945), (1640, 5191), (1790, 4756), (2378, 3580)]