42000760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 100154880

約数和(自身を除く): 58154120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 142, 184, 230, 284, 355, 460, 568, 643, 710, 920, 1286, 1420, 1633, 2572, 2840, 3215, 3266, 5144, 6430, 6532, 8165, 12860, 13064, 14789, 16330, 25720, 29578, 32660, 45653, 59156, 65320, 73945, 91306, 118312, 147890, 182612, 228265, 295780, 365224, 456530, 591560, 913060, 1050019, 1826120, 2100038, 4200076, 5250095, 8400152, 10500190, 21000380, 42000760]

約数ペア:

[(1, 42000760), (2, 21000380), (4, 10500190), (5, 8400152), (8, 5250095), (10, 4200076), (20, 2100038), (23, 1826120), (40, 1050019), (46, 913060), (71, 591560), (92, 456530), (115, 365224), (142, 295780), (184, 228265), (230, 182612), (284, 147890), (355, 118312), (460, 91306), (568, 73945), (643, 65320), (710, 59156), (920, 45653), (1286, 32660), (1420, 29578), (1633, 25720), (2572, 16330), (2840, 14789), (3215, 13064), (3266, 12860), (5144, 8165), (6430, 6532)]