8872400

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:600

約数の個数: 60

約数和(自身を含む): 21876204

約数和(自身を除く): 13003804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 541, 656, 820, 1025, 1082, 1640, 2050, 2164, 2705, 3280, 4100, 4328, 5410, 8200, 8656, 10820, 13525, 16400, 21640, 22181, 27050, 43280, 44362, 54100, 88724, 108200, 110905, 177448, 216400, 221810, 354896, 443620, 554525, 887240, 1109050, 1774480, 2218100, 4436200, 8872400]

約数ペア:

[(1, 8872400), (2, 4436200), (4, 2218100), (5, 1774480), (8, 1109050), (10, 887240), (16, 554525), (20, 443620), (25, 354896), (40, 221810), (41, 216400), (50, 177448), (80, 110905), (82, 108200), (100, 88724), (164, 54100), (200, 44362), (205, 43280), (328, 27050), (400, 22181), (410, 21640), (541, 16400), (656, 13525), (820, 10820), (1025, 8656), (1082, 8200), (1640, 5410), (2050, 4328), (2164, 4100), (2705, 3280)]