28260275

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 36456000

約数和(自身を除く): 8195725

約数列:

[1, 5, 25, 41, 79, 205, 349, 395, 1025, 1745, 1975, 3239, 8725, 14309, 16195, 27571, 71545, 80975, 137855, 357725, 689275, 1130411, 5652055, 28260275]

約数ペア:

[(1, 28260275), (5, 5652055), (25, 1130411), (41, 689275), (79, 357725), (205, 137855), (349, 80975), (395, 71545), (1025, 27571), (1745, 16195), (1975, 14309), (3239, 8725)]