28020320

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2399}}^1$

素因数の和:2487

約数の個数: 48

約数和(自身を含む): 67132800

約数和(自身を除く): 39112480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 2336, 2399, 2920, 4798, 5840, 9596, 11680, 11995, 19192, 23990, 38384, 47980, 76768, 95960, 175127, 191920, 350254, 383840, 700508, 875635, 1401016, 1751270, 2802032, 3502540, 5604064, 7005080, 14010160, 28020320]

約数ペア:

[(1, 28020320), (2, 14010160), (4, 7005080), (5, 5604064), (8, 3502540), (10, 2802032), (16, 1751270), (20, 1401016), (32, 875635), (40, 700508), (73, 383840), (80, 350254), (146, 191920), (160, 175127), (292, 95960), (365, 76768), (584, 47980), (730, 38384), (1168, 23990), (1460, 19192), (2336, 11995), (2399, 11680), (2920, 9596), (4798, 5840)]