17999360

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 80

約数和(自身を含む): 44193600

約数和(自身を除く): 26194240

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, 512, 632, 640, 712, 790, 890, 1264, 1280, 1424, 1580, 1780, 2528, 2560, 2848, 3160, 3560, 5056, 5696, 6320, 7031, 7120, 10112, 11392, 12640, 14062, 14240, 20224, 22784, 25280, 28124, 28480, 35155, 40448, 45568, 50560, 56248, 56960, 70310, 101120, 112496, 113920, 140620, 202240, 224992, 227840, 281240, 449984, 562480, 899968, 1124960, 1799936, 2249920, 3599872, 4499840, 8999680, 17999360]

約数ペア:

[(1, 17999360), (2, 8999680), (4, 4499840), (5, 3599872), (8, 2249920), (10, 1799936), (16, 1124960), (20, 899968), (32, 562480), (40, 449984), (64, 281240), (79, 227840), (80, 224992), (89, 202240), (128, 140620), (158, 113920), (160, 112496), (178, 101120), (256, 70310), (316, 56960), (320, 56248), (356, 50560), (395, 45568), (445, 40448), (512, 35155), (632, 28480), (640, 28124), (712, 25280), (790, 22784), (890, 20224), (1264, 14240), (1280, 14062), (1424, 12640), (1580, 11392), (1780, 10112), (2528, 7120), (2560, 7031), (2848, 6320), (3160, 5696), (3560, 5056)]