12841120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4721}}^1$

素因数の和:4753

約数の個数: 48

約数和(自身を含む): 32128488

約数和(自身を除く): 19287368

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 4721, 9442, 18884, 23605, 37768, 47210, 75536, 80257, 94420, 151072, 160514, 188840, 321028, 377680, 401285, 642056, 755360, 802570, 1284112, 1605140, 2568224, 3210280, 6420560, 12841120]

約数ペア:

[(1, 12841120), (2, 6420560), (4, 3210280), (5, 2568224), (8, 1605140), (10, 1284112), (16, 802570), (17, 755360), (20, 642056), (32, 401285), (34, 377680), (40, 321028), (68, 188840), (80, 160514), (85, 151072), (136, 94420), (160, 80257), (170, 75536), (272, 47210), (340, 37768), (544, 23605), (680, 18884), (1360, 9442), (2720, 4721)]