80124400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{11783}}^1$

素因数の和:11818

約数の個数: 60

約数和(自身を含む): 203839632

約数和(自身を除く): 123715232

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 6800, 11783, 23566, 47132, 58915, 94264, 117830, 188528, 200311, 235660, 294575, 400622, 471320, 589150, 801244, 942640, 1001555, 1178300, 1602488, 2003110, 2356600, 3204976, 4006220, 4713200, 5007775, 8012440, 10015550, 16024880, 20031100, 40062200, 80124400]

約数ペア:

[(1, 80124400), (2, 40062200), (4, 20031100), (5, 16024880), (8, 10015550), (10, 8012440), (16, 5007775), (17, 4713200), (20, 4006220), (25, 3204976), (34, 2356600), (40, 2003110), (50, 1602488), (68, 1178300), (80, 1001555), (85, 942640), (100, 801244), (136, 589150), (170, 471320), (200, 400622), (272, 294575), (340, 235660), (400, 200311), (425, 188528), (680, 117830), (850, 94264), (1360, 58915), (1700, 47132), (3400, 23566), (6800, 11783)]