51511150

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 99993600

約数和(自身を除く): 48482450

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 167, 199, 310, 334, 398, 775, 835, 995, 1550, 1670, 1990, 4175, 4975, 5177, 6169, 8350, 9950, 10354, 12338, 25885, 30845, 33233, 51770, 61690, 66466, 129425, 154225, 166165, 258850, 308450, 332330, 830825, 1030223, 1661650, 2060446, 5151115, 10302230, 25755575, 51511150]

約数ペア:

[(1, 51511150), (2, 25755575), (5, 10302230), (10, 5151115), (25, 2060446), (31, 1661650), (50, 1030223), (62, 830825), (155, 332330), (167, 308450), (199, 258850), (310, 166165), (334, 154225), (398, 129425), (775, 66466), (835, 61690), (995, 51770), (1550, 33233), (1670, 30845), (1990, 25885), (4175, 12338), (4975, 10354), (5177, 9950), (6169, 8350)]