20005261250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1231093}}^1$

素因数の和:1231128

約数の個数: 40

約数和(自身を含む): 40382345388

約数和(自身を除く): 20377084138

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 8125, 16250, 1231093, 2462186, 6155465, 12310930, 16004209, 30777325, 32008418, 61554650, 80021045, 153886625, 160042090, 307773250, 400105225, 769433125, 800210450, 1538866250, 2000526125, 4001052250, 10002630625, 20005261250]

約数ペア:

[(1, 20005261250), (2, 10002630625), (5, 4001052250), (10, 2000526125), (13, 1538866250), (25, 800210450), (26, 769433125), (50, 400105225), (65, 307773250), (125, 160042090), (130, 153886625), (250, 80021045), (325, 61554650), (625, 32008418), (650, 30777325), (1250, 16004209), (1625, 12310930), (3250, 6155465), (8125, 2462186), (16250, 1231093)]