28436080

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1861}}^1$

素因数の和:2065

約数の個数: 40

約数和(自身を含む): 66495744

約数和(自身を除く): 38059664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1861, 1910, 3056, 3722, 3820, 7444, 7640, 9305, 14888, 15280, 18610, 29776, 37220, 74440, 148880, 355451, 710902, 1421804, 1777255, 2843608, 3554510, 5687216, 7109020, 14218040, 28436080]

約数ペア:

[(1, 28436080), (2, 14218040), (4, 7109020), (5, 5687216), (8, 3554510), (10, 2843608), (16, 1777255), (20, 1421804), (40, 710902), (80, 355451), (191, 148880), (382, 74440), (764, 37220), (955, 29776), (1528, 18610), (1861, 15280), (1910, 14888), (3056, 9305), (3722, 7640), (3820, 7444)]