84206840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{34511}}^1$

素因数の和:34583

約数の個数: 32

約数和(自身を含む): 192576960

約数和(自身を除く): 108370120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 34511, 69022, 138044, 172555, 276088, 345110, 690220, 1380440, 2105171, 4210342, 8420684, 10525855, 16841368, 21051710, 42103420, 84206840]

約数ペア:

[(1, 84206840), (2, 42103420), (4, 21051710), (5, 16841368), (8, 10525855), (10, 8420684), (20, 4210342), (40, 2105171), (61, 1380440), (122, 690220), (244, 345110), (305, 276088), (488, 172555), (610, 138044), (1220, 69022), (2440, 34511)]