1570328440

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{299681}}^1$

素因数の和:299823

約数の個数: 32

約数和(自身を含む): 3560222160

約数和(自身を除く): 1989893720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 299681, 599362, 1198724, 1498405, 2397448, 2996810, 5993620, 11987240, 39258211, 78516422, 157032844, 196291055, 314065688, 392582110, 785164220, 1570328440]

約数ペア:

[(1, 1570328440), (2, 785164220), (4, 392582110), (5, 314065688), (8, 196291055), (10, 157032844), (20, 78516422), (40, 39258211), (131, 11987240), (262, 5993620), (524, 2996810), (655, 2397448), (1048, 1498405), (1310, 1198724), (2620, 599362), (5240, 299681)]