802120775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{4483}}^1$

素因数の和:4931

約数の個数: 24

約数和(自身を含む): 1055874384

約数和(自身を除く): 253753609

約数列:

[1, 5, 17, 25, 85, 421, 425, 2105, 4483, 7157, 10525, 22415, 35785, 76211, 112075, 178925, 381055, 1887343, 1905275, 9436715, 32084831, 47183575, 160424155, 802120775]

約数ペア:

[(1, 802120775), (5, 160424155), (17, 47183575), (25, 32084831), (85, 9436715), (421, 1905275), (425, 1887343), (2105, 381055), (4483, 178925), (7157, 112075), (10525, 76211), (22415, 35785)]