28214960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{367}}^1$

素因数の和:442

約数の個数: 60

約数和(自身を含む): 67968864

約数和(自身を除く): 39753904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 367, 496, 620, 734, 961, 1240, 1468, 1835, 1922, 2480, 2936, 3670, 3844, 4805, 5872, 7340, 7688, 9610, 11377, 14680, 15376, 19220, 22754, 29360, 38440, 45508, 56885, 76880, 91016, 113770, 182032, 227540, 352687, 455080, 705374, 910160, 1410748, 1763435, 2821496, 3526870, 5642992, 7053740, 14107480, 28214960]

約数ペア:

[(1, 28214960), (2, 14107480), (4, 7053740), (5, 5642992), (8, 3526870), (10, 2821496), (16, 1763435), (20, 1410748), (31, 910160), (40, 705374), (62, 455080), (80, 352687), (124, 227540), (155, 182032), (248, 113770), (310, 91016), (367, 76880), (496, 56885), (620, 45508), (734, 38440), (961, 29360), (1240, 22754), (1468, 19220), (1835, 15376), (1922, 14680), (2480, 11377), (2936, 9610), (3670, 7688), (3844, 7340), (4805, 5872)]