257894080

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47407}}^1$

素因数の和:47441

約数の個数: 56

約数和(自身を含む): 650248128

約数和(自身を除く): 392354048

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 47407, 94814, 189628, 237035, 379256, 474070, 758512, 805919, 948140, 1517024, 1611838, 1896280, 3034048, 3223676, 3792560, 4029595, 6447352, 7585120, 8059190, 12894704, 15170240, 16118380, 25789408, 32236760, 51578816, 64473520, 128947040, 257894080]

約数ペア:

[(1, 257894080), (2, 128947040), (4, 64473520), (5, 51578816), (8, 32236760), (10, 25789408), (16, 16118380), (17, 15170240), (20, 12894704), (32, 8059190), (34, 7585120), (40, 6447352), (64, 4029595), (68, 3792560), (80, 3223676), (85, 3034048), (136, 1896280), (160, 1611838), (170, 1517024), (272, 948140), (320, 805919), (340, 758512), (544, 474070), (680, 379256), (1088, 237035), (1360, 189628), (2720, 94814), (5440, 47407)]