18452980225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{5641}}^1$

素因数の和:5890

約数の個数: 48

約数和(自身を含む): 24934029120

約数和(自身を除く): 6481048895

約数列:

[1, 5, 17, 25, 43, 85, 179, 215, 425, 731, 895, 1075, 3043, 3655, 4475, 5641, 7697, 15215, 18275, 28205, 38485, 76075, 95897, 130849, 141025, 192425, 242563, 479485, 654245, 1009739, 1212815, 2397425, 3271225, 4123571, 5048695, 6064075, 17165563, 20617855, 25243475, 43418777, 85827815, 103089275, 217093885, 429139075, 738119209, 1085469425, 3690596045, 18452980225]

約数ペア:

[(1, 18452980225), (5, 3690596045), (17, 1085469425), (25, 738119209), (43, 429139075), (85, 217093885), (179, 103089275), (215, 85827815), (425, 43418777), (731, 25243475), (895, 20617855), (1075, 17165563), (3043, 6064075), (3655, 5048695), (4475, 4123571), (5641, 3271225), (7697, 2397425), (15215, 1212815), (18275, 1009739), (28205, 654245), (38485, 479485), (76075, 242563), (95897, 192425), (130849, 141025)]