72325640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{44101}}^1$

素因数の和:44153

約数の個数: 32

約数和(自身を含む): 166705560

約数和(自身を除く): 94379920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 44101, 88202, 176404, 220505, 352808, 441010, 882020, 1764040, 1808141, 3616282, 7232564, 9040705, 14465128, 18081410, 36162820, 72325640]

約数ペア:

[(1, 72325640), (2, 36162820), (4, 18081410), (5, 14465128), (8, 9040705), (10, 7232564), (20, 3616282), (40, 1808141), (41, 1764040), (82, 882020), (164, 441010), (205, 352808), (328, 220505), (410, 176404), (820, 88202), (1640, 44101)]