1315666480

素因数分解:

$2^4\times 5^1\times {\mathrm{16445831}}^1$

素因数の和:16445844

約数の個数: 20

約数和(自身を含む): 3058924752

約数和(自身を除く): 1743258272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16445831, 32891662, 65783324, 82229155, 131566648, 164458310, 263133296, 328916620, 657833240, 1315666480]

約数ペア:

[(1, 1315666480), (2, 657833240), (4, 328916620), (5, 263133296), (8, 164458310), (10, 131566648), (16, 82229155), (20, 65783324), (40, 32891662), (80, 16445831)]