71289040

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1933}}^1$

素因数の和:2407

約数の個数: 40

約数和(自身を含む): 166192488

約数和(自身を除く): 94903448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1844, 1933, 2305, 3688, 3866, 4610, 7376, 7732, 9220, 9665, 15464, 18440, 19330, 30928, 36880, 38660, 77320, 154640, 891113, 1782226, 3564452, 4455565, 7128904, 8911130, 14257808, 17822260, 35644520, 71289040]

約数ペア:

[(1, 71289040), (2, 35644520), (4, 17822260), (5, 14257808), (8, 8911130), (10, 7128904), (16, 4455565), (20, 3564452), (40, 1782226), (80, 891113), (461, 154640), (922, 77320), (1844, 38660), (1933, 36880), (2305, 30928), (3688, 19330), (3866, 18440), (4610, 15464), (7376, 9665), (7732, 9220)]