25719040

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 62693568

約数和(自身を除く): 36974528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 283, 284, 320, 355, 566, 568, 640, 710, 1132, 1136, 1280, 1415, 1420, 2264, 2272, 2830, 2840, 4528, 4544, 5660, 5680, 9056, 9088, 11320, 11360, 18112, 18176, 20093, 22640, 22720, 36224, 40186, 45280, 45440, 72448, 80372, 90560, 90880, 100465, 160744, 181120, 200930, 321488, 362240, 401860, 642976, 803720, 1285952, 1607440, 2571904, 3214880, 5143808, 6429760, 12859520, 25719040]

約数ペア:

[(1, 25719040), (2, 12859520), (4, 6429760), (5, 5143808), (8, 3214880), (10, 2571904), (16, 1607440), (20, 1285952), (32, 803720), (40, 642976), (64, 401860), (71, 362240), (80, 321488), (128, 200930), (142, 181120), (160, 160744), (256, 100465), (283, 90880), (284, 90560), (320, 80372), (355, 72448), (566, 45440), (568, 45280), (640, 40186), (710, 36224), (1132, 22720), (1136, 22640), (1280, 20093), (1415, 18176), (1420, 18112), (2264, 11360), (2272, 11320), (2830, 9088), (2840, 9056), (4528, 5680), (4544, 5660)]