56890520

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9059}}^1$

素因数の和:9227

約数の個数: 32

約数和(自身を含む): 128833200

約数和(自身を除く): 71942680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 9059, 18118, 36236, 45295, 72472, 90590, 181180, 362360, 1422263, 2844526, 5689052, 7111315, 11378104, 14222630, 28445260, 56890520]

約数ペア:

[(1, 56890520), (2, 28445260), (4, 14222630), (5, 11378104), (8, 7111315), (10, 5689052), (20, 2844526), (40, 1422263), (157, 362360), (314, 181180), (628, 90590), (785, 72472), (1256, 45295), (1570, 36236), (3140, 18118), (6280, 9059)]