82611340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8311}}^1$

素因数の和:8398

約数の個数: 48

約数和(自身を含む): 201083904

約数和(自身を除く): 118472564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 8311, 9940, 16622, 33244, 41555, 58177, 83110, 116354, 166220, 232708, 290885, 581770, 590081, 1163540, 1180162, 2360324, 2950405, 4130567, 5900810, 8261134, 11801620, 16522268, 20652835, 41305670, 82611340]

約数ペア:

[(1, 82611340), (2, 41305670), (4, 20652835), (5, 16522268), (7, 11801620), (10, 8261134), (14, 5900810), (20, 4130567), (28, 2950405), (35, 2360324), (70, 1180162), (71, 1163540), (140, 590081), (142, 581770), (284, 290885), (355, 232708), (497, 166220), (710, 116354), (994, 83110), (1420, 58177), (1988, 41555), (2485, 33244), (4970, 16622), (8311, 9940)]