30531880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18617}}^1$

素因数の和:18669

約数の個数: 32

約数和(自身を含む): 70376040

約数和(自身を除く): 39844160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 18617, 37234, 74468, 93085, 148936, 186170, 372340, 744680, 763297, 1526594, 3053188, 3816485, 6106376, 7632970, 15265940, 30531880]

約数ペア:

[(1, 30531880), (2, 15265940), (4, 7632970), (5, 6106376), (8, 3816485), (10, 3053188), (20, 1526594), (40, 763297), (41, 744680), (82, 372340), (164, 186170), (205, 148936), (328, 93085), (410, 74468), (820, 37234), (1640, 18617)]