7828220

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1523}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 16514064

約数和(自身を除く): 8685844

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 1523, 2570, 3046, 5140, 6092, 7615, 15230, 30460, 391411, 782822, 1565644, 1957055, 3914110, 7828220]

約数ペア:

[(1, 7828220), (2, 3914110), (4, 1957055), (5, 1565644), (10, 782822), (20, 391411), (257, 30460), (514, 15230), (1028, 7615), (1285, 6092), (1523, 5140), (2570, 3046)]