8856820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1543}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 21788928

約数和(自身を除く): 12932108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 1543, 2870, 3086, 5740, 6172, 7715, 10801, 15430, 21602, 30860, 43204, 54005, 63263, 108010, 126526, 216020, 253052, 316315, 442841, 632630, 885682, 1265260, 1771364, 2214205, 4428410, 8856820]

約数ペア:

[(1, 8856820), (2, 4428410), (4, 2214205), (5, 1771364), (7, 1265260), (10, 885682), (14, 632630), (20, 442841), (28, 316315), (35, 253052), (41, 216020), (70, 126526), (82, 108010), (140, 63263), (164, 54005), (205, 43204), (287, 30860), (410, 21602), (574, 15430), (820, 10801), (1148, 7715), (1435, 6172), (1543, 5740), (2870, 3086)]