4013750

素因数分解:

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

素因数の和:67

約数の個数: 60

約数和(自身を含む): 8575380

約数和(自身を除く): 4561630

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 125, 130, 169, 190, 247, 250, 325, 338, 475, 494, 625, 650, 845, 950, 1235, 1250, 1625, 1690, 2375, 2470, 3211, 3250, 4225, 4750, 6175, 6422, 8125, 8450, 11875, 12350, 16055, 16250, 21125, 23750, 30875, 32110, 42250, 61750, 80275, 105625, 154375, 160550, 211250, 308750, 401375, 802750, 2006875, 4013750]

約数ペア:

[(1, 4013750), (2, 2006875), (5, 802750), (10, 401375), (13, 308750), (19, 211250), (25, 160550), (26, 154375), (38, 105625), (50, 80275), (65, 61750), (95, 42250), (125, 32110), (130, 30875), (169, 23750), (190, 21125), (247, 16250), (250, 16055), (325, 12350), (338, 11875), (475, 8450), (494, 8125), (625, 6422), (650, 6175), (845, 4750), (950, 4225), (1235, 3250), (1250, 3211), (1625, 2470), (1690, 2375)]