2013145880

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{225689}}^1$

素因数の和:225923

約数の個数: 32

約数和(自身を含む): 4549910400

約数和(自身を除く): 2536764520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 225689, 451378, 902756, 1128445, 1805512, 2256890, 4513780, 9027560, 50328647, 100657294, 201314588, 251643235, 402629176, 503286470, 1006572940, 2013145880]

約数ペア:

[(1, 2013145880), (2, 1006572940), (4, 503286470), (5, 402629176), (8, 251643235), (10, 201314588), (20, 100657294), (40, 50328647), (223, 9027560), (446, 4513780), (892, 2256890), (1115, 1805512), (1784, 1128445), (2230, 902756), (4460, 451378), (8920, 225689)]