39387280

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4357}}^1$

素因数の和:4483

約数の個数: 40

約数和(自身を含む): 92407032

約数和(自身を除く): 53019752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4357, 4520, 8714, 9040, 17428, 21785, 34856, 43570, 69712, 87140, 174280, 348560, 492341, 984682, 1969364, 2461705, 3938728, 4923410, 7877456, 9846820, 19693640, 39387280]

約数ペア:

[(1, 39387280), (2, 19693640), (4, 9846820), (5, 7877456), (8, 4923410), (10, 3938728), (16, 2461705), (20, 1969364), (40, 984682), (80, 492341), (113, 348560), (226, 174280), (452, 87140), (565, 69712), (904, 43570), (1130, 34856), (1808, 21785), (2260, 17428), (4357, 9040), (4520, 8714)]