38865640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4649}}^1$

素因数の和:4690

約数の個数: 64

約数和(自身を含む): 100440000

約数和(自身を除く): 61574360

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 4649, 8360, 9298, 18596, 23245, 37192, 46490, 51139, 88331, 92980, 102278, 176662, 185960, 204556, 255695, 353324, 409112, 441655, 511390, 706648, 883310, 971641, 1022780, 1766620, 1943282, 2045560, 3533240, 3886564, 4858205, 7773128, 9716410, 19432820, 38865640]

約数ペア:

[(1, 38865640), (2, 19432820), (4, 9716410), (5, 7773128), (8, 4858205), (10, 3886564), (11, 3533240), (19, 2045560), (20, 1943282), (22, 1766620), (38, 1022780), (40, 971641), (44, 883310), (55, 706648), (76, 511390), (88, 441655), (95, 409112), (110, 353324), (152, 255695), (190, 204556), (209, 185960), (220, 176662), (380, 102278), (418, 92980), (440, 88331), (760, 51139), (836, 46490), (1045, 37192), (1672, 23245), (2090, 18596), (4180, 9298), (4649, 8360)]