5420200

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 12928860

約数和(自身を除く): 7508660

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 661, 820, 1025, 1322, 1640, 2050, 2644, 3305, 4100, 5288, 6610, 8200, 13220, 16525, 26440, 27101, 33050, 54202, 66100, 108404, 132200, 135505, 216808, 271010, 542020, 677525, 1084040, 1355050, 2710100, 5420200]

約数ペア:

[(1, 5420200), (2, 2710100), (4, 1355050), (5, 1084040), (8, 677525), (10, 542020), (20, 271010), (25, 216808), (40, 135505), (41, 132200), (50, 108404), (82, 66100), (100, 54202), (164, 33050), (200, 27101), (205, 26440), (328, 16525), (410, 13220), (661, 8200), (820, 6610), (1025, 5288), (1322, 4100), (1640, 3305), (2050, 2644)]