8064200

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 19085460

約数和(自身を除く): 11021260

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 661, 1220, 1322, 1525, 2440, 2644, 3050, 3305, 5288, 6100, 6610, 12200, 13220, 16525, 26440, 33050, 40321, 66100, 80642, 132200, 161284, 201605, 322568, 403210, 806420, 1008025, 1612840, 2016050, 4032100, 8064200]

約数ペア:

[(1, 8064200), (2, 4032100), (4, 2016050), (5, 1612840), (8, 1008025), (10, 806420), (20, 403210), (25, 322568), (40, 201605), (50, 161284), (61, 132200), (100, 80642), (122, 66100), (200, 40321), (244, 33050), (305, 26440), (488, 16525), (610, 13220), (661, 12200), (1220, 6610), (1322, 6100), (1525, 5288), (2440, 3305), (2644, 3050)]