28619440

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1873}}^1$

素因数の和:2077

約数の個数: 40

約数和(自身を含む): 66924288

約数和(自身を除く): 38304848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1873, 1910, 3056, 3746, 3820, 7492, 7640, 9365, 14984, 15280, 18730, 29968, 37460, 74920, 149840, 357743, 715486, 1430972, 1788715, 2861944, 3577430, 5723888, 7154860, 14309720, 28619440]

約数ペア:

[(1, 28619440), (2, 14309720), (4, 7154860), (5, 5723888), (8, 3577430), (10, 2861944), (16, 1788715), (20, 1430972), (40, 715486), (80, 357743), (191, 149840), (382, 74920), (764, 37460), (955, 29968), (1528, 18730), (1873, 15280), (1910, 14984), (3056, 9365), (3746, 7640), (3820, 7492)]