26218880

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 63672480

約数和(自身を除く): 37453600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 577, 640, 710, 1136, 1154, 1420, 2272, 2308, 2840, 2885, 4544, 4616, 5680, 5770, 9088, 9232, 11360, 11540, 18464, 22720, 23080, 36928, 40967, 45440, 46160, 73856, 81934, 92320, 163868, 184640, 204835, 327736, 369280, 409670, 655472, 819340, 1310944, 1638680, 2621888, 3277360, 5243776, 6554720, 13109440, 26218880]

約数ペア:

[(1, 26218880), (2, 13109440), (4, 6554720), (5, 5243776), (8, 3277360), (10, 2621888), (16, 1638680), (20, 1310944), (32, 819340), (40, 655472), (64, 409670), (71, 369280), (80, 327736), (128, 204835), (142, 184640), (160, 163868), (284, 92320), (320, 81934), (355, 73856), (568, 46160), (577, 45440), (640, 40967), (710, 36928), (1136, 23080), (1154, 22720), (1420, 18464), (2272, 11540), (2308, 11360), (2840, 9232), (2885, 9088), (4544, 5770), (4616, 5680)]