64385375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 87272640

約数和(自身を除く): 22887265

約数列:

[1, 5, 17, 25, 41, 85, 125, 205, 425, 697, 739, 1025, 2125, 3485, 3695, 5125, 12563, 17425, 18475, 30299, 62815, 87125, 92375, 151495, 314075, 515083, 757475, 1570375, 2575415, 3787375, 12877075, 64385375]

約数ペア:

[(1, 64385375), (5, 12877075), (17, 3787375), (25, 2575415), (41, 1570375), (85, 757475), (125, 515083), (205, 314075), (425, 151495), (697, 92375), (739, 87125), (1025, 62815), (2125, 30299), (3485, 18475), (3695, 17425), (5125, 12563)]