81488200

素因数分解:

$2^3\times 5^2\times {\mathrm{211}}^1\times {\mathrm{1931}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 190456560

約数和(自身を除く): 108968360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 211, 422, 844, 1055, 1688, 1931, 2110, 3862, 4220, 5275, 7724, 8440, 9655, 10550, 15448, 19310, 21100, 38620, 42200, 48275, 77240, 96550, 193100, 386200, 407441, 814882, 1629764, 2037205, 3259528, 4074410, 8148820, 10186025, 16297640, 20372050, 40744100, 81488200]

約数ペア:

[(1, 81488200), (2, 40744100), (4, 20372050), (5, 16297640), (8, 10186025), (10, 8148820), (20, 4074410), (25, 3259528), (40, 2037205), (50, 1629764), (100, 814882), (200, 407441), (211, 386200), (422, 193100), (844, 96550), (1055, 77240), (1688, 48275), (1931, 42200), (2110, 38620), (3862, 21100), (4220, 19310), (5275, 15448), (7724, 10550), (8440, 9655)]