28015820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2411}}^1$

素因数の和:2510

約数の個数: 48

約数和(自身を含む): 68076288

約数和(自身を除く): 40060468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2411, 2905, 4822, 5810, 9644, 11620, 12055, 16877, 24110, 33754, 48220, 67508, 84385, 168770, 200113, 337540, 400226, 800452, 1000565, 1400791, 2001130, 2801582, 4002260, 5603164, 7003955, 14007910, 28015820]

約数ペア:

[(1, 28015820), (2, 14007910), (4, 7003955), (5, 5603164), (7, 4002260), (10, 2801582), (14, 2001130), (20, 1400791), (28, 1000565), (35, 800452), (70, 400226), (83, 337540), (140, 200113), (166, 168770), (332, 84385), (415, 67508), (581, 48220), (830, 33754), (1162, 24110), (1660, 16877), (2324, 12055), (2411, 11620), (2905, 9644), (4822, 5810)]