28222520

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1151}}^1$

素因数の和:1775

約数の個数: 32

約数和(自身を含む): 63659520

約数和(自身を除く): 35437000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1151, 1226, 2302, 2452, 3065, 4604, 4904, 5755, 6130, 9208, 11510, 12260, 23020, 24520, 46040, 705563, 1411126, 2822252, 3527815, 5644504, 7055630, 14111260, 28222520]

約数ペア:

[(1, 28222520), (2, 14111260), (4, 7055630), (5, 5644504), (8, 3527815), (10, 2822252), (20, 1411126), (40, 705563), (613, 46040), (1151, 24520), (1226, 23020), (2302, 12260), (2452, 11510), (3065, 9208), (4604, 6130), (4904, 5755)]