31308520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{34031}}^1$

素因数の和:34065

約数の個数: 32

約数和(自身を含む): 73509120

約数和(自身を除く): 42200600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 34031, 68062, 136124, 170155, 272248, 340310, 680620, 782713, 1361240, 1565426, 3130852, 3913565, 6261704, 7827130, 15654260, 31308520]

約数ペア:

[(1, 31308520), (2, 15654260), (4, 7827130), (5, 6261704), (8, 3913565), (10, 3130852), (20, 1565426), (23, 1361240), (40, 782713), (46, 680620), (92, 340310), (115, 272248), (184, 170155), (230, 136124), (460, 68062), (920, 34031)]