2912887960

素因数分解:

$2^3\times 5^1\times {\mathrm{1709}}^1\times {\mathrm{42611}}^1$

素因数の和:44331

約数の個数: 32

約数和(自身を含む): 6557986800

約数和(自身を除く): 3645098840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1709, 3418, 6836, 8545, 13672, 17090, 34180, 42611, 68360, 85222, 170444, 213055, 340888, 426110, 852220, 1704440, 72822199, 145644398, 291288796, 364110995, 582577592, 728221990, 1456443980, 2912887960]

約数ペア:

[(1, 2912887960), (2, 1456443980), (4, 728221990), (5, 582577592), (8, 364110995), (10, 291288796), (20, 145644398), (40, 72822199), (1709, 1704440), (3418, 852220), (6836, 426110), (8545, 340888), (13672, 213055), (17090, 170444), (34180, 85222), (42611, 68360)]