20268750

素因数分解:

$2^1\times 3^1\times 5^5\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:100

約数の個数: 96

約数和(自身を含む): 53996544

約数和(自身を除く): 33727794

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 47, 50, 69, 75, 94, 115, 125, 138, 141, 150, 230, 235, 250, 282, 345, 375, 470, 575, 625, 690, 705, 750, 1081, 1150, 1175, 1250, 1410, 1725, 1875, 2162, 2350, 2875, 3125, 3243, 3450, 3525, 3750, 5405, 5750, 5875, 6250, 6486, 7050, 8625, 9375, 10810, 11750, 14375, 16215, 17250, 17625, 18750, 27025, 28750, 29375, 32430, 35250, 43125, 54050, 58750, 71875, 81075, 86250, 88125, 135125, 143750, 146875, 162150, 176250, 215625, 270250, 293750, 405375, 431250, 440625, 675625, 810750, 881250, 1351250, 2026875, 3378125, 4053750, 6756250, 10134375, 20268750]

約数ペア:

[(1, 20268750), (2, 10134375), (3, 6756250), (5, 4053750), (6, 3378125), (10, 2026875), (15, 1351250), (23, 881250), (25, 810750), (30, 675625), (46, 440625), (47, 431250), (50, 405375), (69, 293750), (75, 270250), (94, 215625), (115, 176250), (125, 162150), (138, 146875), (141, 143750), (150, 135125), (230, 88125), (235, 86250), (250, 81075), (282, 71875), (345, 58750), (375, 54050), (470, 43125), (575, 35250), (625, 32430), (690, 29375), (705, 28750), (750, 27025), (1081, 18750), (1150, 17625), (1175, 17250), (1250, 16215), (1410, 14375), (1725, 11750), (1875, 10810), (2162, 9375), (2350, 8625), (2875, 7050), (3125, 6486), (3243, 6250), (3450, 5875), (3525, 5750), (3750, 5405)]