90069040

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2293}}^1$

素因数の和:2797

約数の個数: 40

約数和(自身を含む): 209928528

約数和(自身を除く): 119859488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2293, 2455, 3928, 4586, 4910, 7856, 9172, 9820, 11465, 18344, 19640, 22930, 36688, 39280, 45860, 91720, 183440, 1125863, 2251726, 4503452, 5629315, 9006904, 11258630, 18013808, 22517260, 45034520, 90069040]

約数ペア:

[(1, 90069040), (2, 45034520), (4, 22517260), (5, 18013808), (8, 11258630), (10, 9006904), (16, 5629315), (20, 4503452), (40, 2251726), (80, 1125863), (491, 183440), (982, 91720), (1964, 45860), (2293, 39280), (2455, 36688), (3928, 22930), (4586, 19640), (4910, 18344), (7856, 11465), (9172, 9820)]