2790280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{883}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 6364800

約数和(自身を除く): 3574520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 883, 1580, 1766, 3160, 3532, 4415, 7064, 8830, 17660, 35320, 69757, 139514, 279028, 348785, 558056, 697570, 1395140, 2790280]

約数ペア:

[(1, 2790280), (2, 1395140), (4, 697570), (5, 558056), (8, 348785), (10, 279028), (20, 139514), (40, 69757), (79, 35320), (158, 17660), (316, 8830), (395, 7064), (632, 4415), (790, 3532), (883, 3160), (1580, 1766)]