51929800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19973}}^1$

素因数の和:20002

約数の個数: 48

約数和(自身を含む): 130030740

約数和(自身を除く): 78100940

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 19973, 39946, 79892, 99865, 159784, 199730, 259649, 399460, 499325, 519298, 798920, 998650, 1038596, 1298245, 1997300, 2077192, 2596490, 3994600, 5192980, 6491225, 10385960, 12982450, 25964900, 51929800]

約数ペア:

[(1, 51929800), (2, 25964900), (4, 12982450), (5, 10385960), (8, 6491225), (10, 5192980), (13, 3994600), (20, 2596490), (25, 2077192), (26, 1997300), (40, 1298245), (50, 1038596), (52, 998650), (65, 798920), (100, 519298), (104, 499325), (130, 399460), (200, 259649), (260, 199730), (325, 159784), (520, 99865), (650, 79892), (1300, 39946), (2600, 19973)]