4047200020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{9967}}^1$

素因数の和:10312

約数の個数: 48

約数和(自身を含む): 8641059840

約数和(自身を除く): 4593859820

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 257, 316, 395, 514, 790, 1028, 1285, 1580, 2570, 5140, 9967, 19934, 20303, 39868, 40606, 49835, 81212, 99670, 101515, 199340, 203030, 406060, 787393, 1574786, 2561519, 3149572, 3936965, 5123038, 7873930, 10246076, 12807595, 15747860, 25615190, 51230380, 202360001, 404720002, 809440004, 1011800005, 2023600010, 4047200020]

約数ペア:

[(1, 4047200020), (2, 2023600010), (4, 1011800005), (5, 809440004), (10, 404720002), (20, 202360001), (79, 51230380), (158, 25615190), (257, 15747860), (316, 12807595), (395, 10246076), (514, 7873930), (790, 5123038), (1028, 3936965), (1285, 3149572), (1580, 2561519), (2570, 1574786), (5140, 787393), (9967, 406060), (19934, 203030), (20303, 199340), (39868, 101515), (40606, 99670), (49835, 81212)]