89242880

素因数分解:

$2^8\times 5^1\times {\mathrm{113}}^1\times {\mathrm{617}}^1$

素因数の和:751

約数の個数: 72

約数和(自身を含む): 216005832

約数和(自身を除く): 126762952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 256, 320, 452, 565, 617, 640, 904, 1130, 1234, 1280, 1808, 2260, 2468, 3085, 3616, 4520, 4936, 6170, 7232, 9040, 9872, 12340, 14464, 18080, 19744, 24680, 28928, 36160, 39488, 49360, 69721, 72320, 78976, 98720, 139442, 144640, 157952, 197440, 278884, 348605, 394880, 557768, 697210, 789760, 1115536, 1394420, 2231072, 2788840, 4462144, 5577680, 8924288, 11155360, 17848576, 22310720, 44621440, 89242880]

約数ペア:

[(1, 89242880), (2, 44621440), (4, 22310720), (5, 17848576), (8, 11155360), (10, 8924288), (16, 5577680), (20, 4462144), (32, 2788840), (40, 2231072), (64, 1394420), (80, 1115536), (113, 789760), (128, 697210), (160, 557768), (226, 394880), (256, 348605), (320, 278884), (452, 197440), (565, 157952), (617, 144640), (640, 139442), (904, 98720), (1130, 78976), (1234, 72320), (1280, 69721), (1808, 49360), (2260, 39488), (2468, 36160), (3085, 28928), (3616, 24680), (4520, 19744), (4936, 18080), (6170, 14464), (7232, 12340), (9040, 9872)]