1394240

素因数分解:

$2^6\times 5^1\times {\mathrm{4357}}^1$

素因数の和:4374

約数の個数: 28

約数和(自身を含む): 3320796

約数和(自身を除く): 1926556

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4357, 8714, 17428, 21785, 34856, 43570, 69712, 87140, 139424, 174280, 278848, 348560, 697120, 1394240]

約数ペア:

[(1, 1394240), (2, 697120), (4, 348560), (5, 278848), (8, 174280), (10, 139424), (16, 87140), (20, 69712), (32, 43570), (40, 34856), (64, 21785), (80, 17428), (160, 8714), (320, 4357)]