28588880

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1871}}^1$

素因数の和:2075

約数の個数: 40

約数和(自身を含む): 66852864

約数和(自身を除く): 38263984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1871, 1910, 3056, 3742, 3820, 7484, 7640, 9355, 14968, 15280, 18710, 29936, 37420, 74840, 149680, 357361, 714722, 1429444, 1786805, 2858888, 3573610, 5717776, 7147220, 14294440, 28588880]

約数ペア:

[(1, 28588880), (2, 14294440), (4, 7147220), (5, 5717776), (8, 3573610), (10, 2858888), (16, 1786805), (20, 1429444), (40, 714722), (80, 357361), (191, 149680), (382, 74840), (764, 37420), (955, 29936), (1528, 18710), (1871, 15280), (1910, 14968), (3056, 9355), (3742, 7640), (3820, 7484)]