23011840

素因数分解:

$2^9\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 80

約数和(自身を含む): 56346840

約数和(自身を除く): 33335000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 101, 128, 160, 178, 202, 256, 320, 356, 404, 445, 505, 512, 640, 712, 808, 890, 1010, 1280, 1424, 1616, 1780, 2020, 2560, 2848, 3232, 3560, 4040, 5696, 6464, 7120, 8080, 8989, 11392, 12928, 14240, 16160, 17978, 22784, 25856, 28480, 32320, 35956, 44945, 45568, 51712, 56960, 64640, 71912, 89890, 113920, 129280, 143824, 179780, 227840, 258560, 287648, 359560, 575296, 719120, 1150592, 1438240, 2301184, 2876480, 4602368, 5752960, 11505920, 23011840]

約数ペア:

[(1, 23011840), (2, 11505920), (4, 5752960), (5, 4602368), (8, 2876480), (10, 2301184), (16, 1438240), (20, 1150592), (32, 719120), (40, 575296), (64, 359560), (80, 287648), (89, 258560), (101, 227840), (128, 179780), (160, 143824), (178, 129280), (202, 113920), (256, 89890), (320, 71912), (356, 64640), (404, 56960), (445, 51712), (505, 45568), (512, 44945), (640, 35956), (712, 32320), (808, 28480), (890, 25856), (1010, 22784), (1280, 17978), (1424, 16160), (1616, 14240), (1780, 12928), (2020, 11392), (2560, 8989), (2848, 8080), (3232, 7120), (3560, 6464), (4040, 5696)]