8027500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 90

約数和(自身を含む): 20009220

約数和(自身を除く): 11981720

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 125, 130, 169, 190, 247, 250, 260, 325, 338, 380, 475, 494, 500, 625, 650, 676, 845, 950, 988, 1235, 1250, 1300, 1625, 1690, 1900, 2375, 2470, 2500, 3211, 3250, 3380, 4225, 4750, 4940, 6175, 6422, 6500, 8125, 8450, 9500, 11875, 12350, 12844, 16055, 16250, 16900, 21125, 23750, 24700, 30875, 32110, 32500, 42250, 47500, 61750, 64220, 80275, 84500, 105625, 123500, 154375, 160550, 211250, 308750, 321100, 401375, 422500, 617500, 802750, 1605500, 2006875, 4013750, 8027500]

約数ペア:

[(1, 8027500), (2, 4013750), (4, 2006875), (5, 1605500), (10, 802750), (13, 617500), (19, 422500), (20, 401375), (25, 321100), (26, 308750), (38, 211250), (50, 160550), (52, 154375), (65, 123500), (76, 105625), (95, 84500), (100, 80275), (125, 64220), (130, 61750), (169, 47500), (190, 42250), (247, 32500), (250, 32110), (260, 30875), (325, 24700), (338, 23750), (380, 21125), (475, 16900), (494, 16250), (500, 16055), (625, 12844), (650, 12350), (676, 11875), (845, 9500), (950, 8450), (988, 8125), (1235, 6500), (1250, 6422), (1300, 6175), (1625, 4940), (1690, 4750), (1900, 4225), (2375, 3380), (2470, 3250), (2500, 3211)]