78474500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{12073}}^1$

素因数の和:12105

約数の個数: 48

約数和(自身を含む): 184587312

約数和(自身を除く): 106112812

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 12073, 24146, 48292, 60365, 120730, 156949, 241460, 301825, 313898, 603650, 627796, 784745, 1207300, 1509125, 1569490, 3018250, 3138980, 3923725, 6036500, 7847450, 15694900, 19618625, 39237250, 78474500]

約数ペア:

[(1, 78474500), (2, 39237250), (4, 19618625), (5, 15694900), (10, 7847450), (13, 6036500), (20, 3923725), (25, 3138980), (26, 3018250), (50, 1569490), (52, 1509125), (65, 1207300), (100, 784745), (125, 627796), (130, 603650), (250, 313898), (260, 301825), (325, 241460), (500, 156949), (650, 120730), (1300, 60365), (1625, 48292), (3250, 24146), (6500, 12073)]