12859520

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 31285440

約数和(自身を除く): 18425920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 283, 284, 320, 355, 566, 568, 640, 710, 1132, 1136, 1415, 1420, 2264, 2272, 2830, 2840, 4528, 4544, 5660, 5680, 9056, 9088, 11320, 11360, 18112, 20093, 22640, 22720, 36224, 40186, 45280, 45440, 80372, 90560, 100465, 160744, 181120, 200930, 321488, 401860, 642976, 803720, 1285952, 1607440, 2571904, 3214880, 6429760, 12859520]

約数ペア:

[(1, 12859520), (2, 6429760), (4, 3214880), (5, 2571904), (8, 1607440), (10, 1285952), (16, 803720), (20, 642976), (32, 401860), (40, 321488), (64, 200930), (71, 181120), (80, 160744), (128, 100465), (142, 90560), (160, 80372), (283, 45440), (284, 45280), (320, 40186), (355, 36224), (566, 22720), (568, 22640), (640, 20093), (710, 18112), (1132, 11360), (1136, 11320), (1415, 9088), (1420, 9056), (2264, 5680), (2272, 5660), (2830, 4544), (2840, 4528)]