42778375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 58024512

約数和(自身を除く): 15246137

約数列:

[1, 5, 17, 25, 41, 85, 125, 205, 425, 491, 697, 1025, 2125, 2455, 3485, 5125, 8347, 12275, 17425, 20131, 41735, 61375, 87125, 100655, 208675, 342227, 503275, 1043375, 1711135, 2516375, 8555675, 42778375]

約数ペア:

[(1, 42778375), (5, 8555675), (17, 2516375), (25, 1711135), (41, 1043375), (85, 503275), (125, 342227), (205, 208675), (425, 100655), (491, 87125), (697, 61375), (1025, 41735), (2125, 20131), (2455, 17425), (3485, 12275), (5125, 8347)]