393313240

素因数分解:

$2^3\times 5^1\times {\mathrm{1367}}^1\times {\mathrm{7193}}^1$

素因数の和:8571

約数の個数: 32

約数和(自身を含む): 885725280

約数和(自身を除く): 492412040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1367, 2734, 5468, 6835, 7193, 10936, 13670, 14386, 27340, 28772, 35965, 54680, 57544, 71930, 143860, 287720, 9832831, 19665662, 39331324, 49164155, 78662648, 98328310, 196656620, 393313240]

約数ペア:

[(1, 393313240), (2, 196656620), (4, 98328310), (5, 78662648), (8, 49164155), (10, 39331324), (20, 19665662), (40, 9832831), (1367, 287720), (2734, 143860), (5468, 71930), (6835, 57544), (7193, 54680), (10936, 35965), (13670, 28772), (14386, 27340)]