99428360

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{12491}}^1$

素因数の和:12701

約数の個数: 32

約数和(自身を含む): 224856000

約数和(自身を除く): 125427640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 12491, 24982, 49964, 62455, 99928, 124910, 249820, 499640, 2485709, 4971418, 9942836, 12428545, 19885672, 24857090, 49714180, 99428360]

約数ペア:

[(1, 99428360), (2, 49714180), (4, 24857090), (5, 19885672), (8, 12428545), (10, 9942836), (20, 4971418), (40, 2485709), (199, 499640), (398, 249820), (796, 124910), (995, 99928), (1592, 62455), (1990, 49964), (3980, 24982), (7960, 12491)]