40521860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 89582976

約数和(自身を除く): 49061116

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 137, 230, 274, 460, 548, 643, 685, 1286, 1370, 2572, 2740, 3151, 3215, 6302, 6430, 12604, 12860, 14789, 15755, 29578, 31510, 59156, 63020, 73945, 88091, 147890, 176182, 295780, 352364, 440455, 880910, 1761820, 2026093, 4052186, 8104372, 10130465, 20260930, 40521860]

約数ペア:

[(1, 40521860), (2, 20260930), (4, 10130465), (5, 8104372), (10, 4052186), (20, 2026093), (23, 1761820), (46, 880910), (92, 440455), (115, 352364), (137, 295780), (230, 176182), (274, 147890), (460, 88091), (548, 73945), (643, 63020), (685, 59156), (1286, 31510), (1370, 29578), (2572, 15755), (2740, 14789), (3151, 12860), (3215, 12604), (6302, 6430)]