23985880

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2689}}^1$

素因数の和:2923

約数の個数: 32

約数和(自身を含む): 54230400

約数和(自身を除く): 30244520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 2689, 4460, 5378, 8920, 10756, 13445, 21512, 26890, 53780, 107560, 599647, 1199294, 2398588, 2998235, 4797176, 5996470, 11992940, 23985880]

約数ペア:

[(1, 23985880), (2, 11992940), (4, 5996470), (5, 4797176), (8, 2998235), (10, 2398588), (20, 1199294), (40, 599647), (223, 107560), (446, 53780), (892, 26890), (1115, 21512), (1784, 13445), (2230, 10756), (2689, 8920), (4460, 5378)]