20195005550

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{26839}}^1$

素因数の和:27101

約数の個数: 48

約数和(自身を含む): 38190636000

約数和(自身を除く): 17995630450

約数列:

[1, 2, 5, 10, 25, 50, 101, 149, 202, 298, 505, 745, 1010, 1490, 2525, 3725, 5050, 7450, 15049, 26839, 30098, 53678, 75245, 134195, 150490, 268390, 376225, 670975, 752450, 1341950, 2710739, 3999011, 5421478, 7998022, 13553695, 19995055, 27107390, 39990110, 67768475, 99975275, 135536950, 199950550, 403900111, 807800222, 2019500555, 4039001110, 10097502775, 20195005550]

約数ペア:

[(1, 20195005550), (2, 10097502775), (5, 4039001110), (10, 2019500555), (25, 807800222), (50, 403900111), (101, 199950550), (149, 135536950), (202, 99975275), (298, 67768475), (505, 39990110), (745, 27107390), (1010, 19995055), (1490, 13553695), (2525, 7998022), (3725, 5421478), (5050, 3999011), (7450, 2710739), (15049, 1341950), (26839, 752450), (30098, 670975), (53678, 376225), (75245, 268390), (134195, 150490)]