8999680

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 22075200

約数和(自身を除く): 13075520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 89, 128, 158, 160, 178, 256, 316, 320, 356, 395, 445, 632, 640, 712, 790, 890, 1264, 1280, 1424, 1580, 1780, 2528, 2848, 3160, 3560, 5056, 5696, 6320, 7031, 7120, 10112, 11392, 12640, 14062, 14240, 20224, 22784, 25280, 28124, 28480, 35155, 50560, 56248, 56960, 70310, 101120, 112496, 113920, 140620, 224992, 281240, 449984, 562480, 899968, 1124960, 1799936, 2249920, 4499840, 8999680]

約数ペア:

[(1, 8999680), (2, 4499840), (4, 2249920), (5, 1799936), (8, 1124960), (10, 899968), (16, 562480), (20, 449984), (32, 281240), (40, 224992), (64, 140620), (79, 113920), (80, 112496), (89, 101120), (128, 70310), (158, 56960), (160, 56248), (178, 50560), (256, 35155), (316, 28480), (320, 28124), (356, 25280), (395, 22784), (445, 20224), (632, 14240), (640, 14062), (712, 12640), (790, 11392), (890, 10112), (1264, 7120), (1280, 7031), (1424, 6320), (1580, 5696), (1780, 5056), (2528, 3560), (2848, 3160)]