30177640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18401}}^1$

素因数の和:18453

約数の個数: 32

約数和(自身を含む): 69559560

約数和(自身を除く): 39381920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 18401, 36802, 73604, 92005, 147208, 184010, 368020, 736040, 754441, 1508882, 3017764, 3772205, 6035528, 7544410, 15088820, 30177640]

約数ペア:

[(1, 30177640), (2, 15088820), (4, 7544410), (5, 6035528), (8, 3772205), (10, 3017764), (20, 1508882), (40, 754441), (41, 736040), (82, 368020), (164, 184010), (205, 147208), (328, 92005), (410, 73604), (820, 36802), (1640, 18401)]