71143040

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1249}}^1$

素因数の和:1357

約数の個数: 64

約数和(自身を含む): 172125000

約数和(自身を除く): 100981960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 1249, 1424, 1780, 2498, 2848, 3560, 4996, 5696, 6245, 7120, 9992, 11392, 12490, 14240, 19984, 24980, 28480, 39968, 49960, 56960, 79936, 99920, 111161, 159872, 199840, 222322, 399680, 444644, 555805, 799360, 889288, 1111610, 1778576, 2223220, 3557152, 4446440, 7114304, 8892880, 14228608, 17785760, 35571520, 71143040]

約数ペア:

[(1, 71143040), (2, 35571520), (4, 17785760), (5, 14228608), (8, 8892880), (10, 7114304), (16, 4446440), (20, 3557152), (32, 2223220), (40, 1778576), (64, 1111610), (80, 889288), (89, 799360), (128, 555805), (160, 444644), (178, 399680), (320, 222322), (356, 199840), (445, 159872), (640, 111161), (712, 99920), (890, 79936), (1249, 56960), (1424, 49960), (1780, 39968), (2498, 28480), (2848, 24980), (3560, 19984), (4996, 14240), (5696, 12490), (6245, 11392), (7120, 9992)]