11717840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2063}}^1$

素因数の和:2147

約数の個数: 40

約数和(自身を含む): 27641088

約数和(自身を除く): 15923248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2063, 2840, 4126, 5680, 8252, 10315, 16504, 20630, 33008, 41260, 82520, 146473, 165040, 292946, 585892, 732365, 1171784, 1464730, 2343568, 2929460, 5858920, 11717840]

約数ペア:

[(1, 11717840), (2, 5858920), (4, 2929460), (5, 2343568), (8, 1464730), (10, 1171784), (16, 732365), (20, 585892), (40, 292946), (71, 165040), (80, 146473), (142, 82520), (284, 41260), (355, 33008), (568, 20630), (710, 16504), (1136, 10315), (1420, 8252), (2063, 5680), (2840, 4126)]