201620268656

素因数分解:

$2^4\times {\mathrm{1259}}^1\times {\mathrm{1297}}^1\times {\mathrm{7717}}^1$

素因数の和:10281

約数の個数: 40

約数和(自身を含む): 391301673840

約数和(自身を除く): 189681405184

約数列:

[1, 2, 4, 8, 16, 1259, 1297, 2518, 2594, 5036, 5188, 7717, 10072, 10376, 15434, 20144, 20752, 30868, 61736, 123472, 1632923, 3265846, 6531692, 9715703, 10008949, 13063384, 19431406, 20017898, 26126768, 38862812, 40035796, 77725624, 80071592, 155451248, 160143184, 12601266791, 25202533582, 50405067164, 100810134328, 201620268656]

約数ペア:

[(1, 201620268656), (2, 100810134328), (4, 50405067164), (8, 25202533582), (16, 12601266791), (1259, 160143184), (1297, 155451248), (2518, 80071592), (2594, 77725624), (5036, 40035796), (5188, 38862812), (7717, 26126768), (10072, 20017898), (10376, 19431406), (15434, 13063384), (20144, 10008949), (20752, 9715703), (30868, 6531692), (61736, 3265846), (123472, 1632923)]