130545640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79601}}^1$

素因数の和:79653

約数の個数: 32

約数和(自身を含む): 300895560

約数和(自身を除く): 170349920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 79601, 159202, 318404, 398005, 636808, 796010, 1592020, 3184040, 3263641, 6527282, 13054564, 16318205, 26109128, 32636410, 65272820, 130545640]

約数ペア:

[(1, 130545640), (2, 65272820), (4, 32636410), (5, 26109128), (8, 16318205), (10, 13054564), (20, 6527282), (40, 3263641), (41, 3184040), (82, 1592020), (164, 796010), (205, 636808), (328, 398005), (410, 318404), (820, 159202), (1640, 79601)]