3998560

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 9613296

約数和(自身を除く): 5614736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 373, 536, 670, 746, 1072, 1340, 1492, 1865, 2144, 2680, 2984, 3730, 5360, 5968, 7460, 10720, 11936, 14920, 24991, 29840, 49982, 59680, 99964, 124955, 199928, 249910, 399856, 499820, 799712, 999640, 1999280, 3998560]

約数ペア:

[(1, 3998560), (2, 1999280), (4, 999640), (5, 799712), (8, 499820), (10, 399856), (16, 249910), (20, 199928), (32, 124955), (40, 99964), (67, 59680), (80, 49982), (134, 29840), (160, 24991), (268, 14920), (335, 11936), (373, 10720), (536, 7460), (670, 5968), (746, 5360), (1072, 3730), (1340, 2984), (1492, 2680), (1865, 2144)]