160517380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1301}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 349977600

約数和(自身を除く): 189460220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 199, 310, 398, 620, 796, 995, 1301, 1990, 2602, 3980, 5204, 6169, 6505, 12338, 13010, 24676, 26020, 30845, 40331, 61690, 80662, 123380, 161324, 201655, 258899, 403310, 517798, 806620, 1035596, 1294495, 2588990, 5177980, 8025869, 16051738, 32103476, 40129345, 80258690, 160517380]

約数ペア:

[(1, 160517380), (2, 80258690), (4, 40129345), (5, 32103476), (10, 16051738), (20, 8025869), (31, 5177980), (62, 2588990), (124, 1294495), (155, 1035596), (199, 806620), (310, 517798), (398, 403310), (620, 258899), (796, 201655), (995, 161324), (1301, 123380), (1990, 80662), (2602, 61690), (3980, 40331), (5204, 30845), (6169, 26020), (6505, 24676), (12338, 13010)]