57129640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 132192000

約数和(自身を除く): 75062360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 101, 158, 179, 202, 316, 358, 395, 404, 505, 632, 716, 790, 808, 895, 1010, 1432, 1580, 1790, 2020, 3160, 3580, 4040, 7160, 7979, 14141, 15958, 18079, 28282, 31916, 36158, 39895, 56564, 63832, 70705, 72316, 79790, 90395, 113128, 141410, 144632, 159580, 180790, 282820, 319160, 361580, 565640, 723160, 1428241, 2856482, 5712964, 7141205, 11425928, 14282410, 28564820, 57129640]

約数ペア:

[(1, 57129640), (2, 28564820), (4, 14282410), (5, 11425928), (8, 7141205), (10, 5712964), (20, 2856482), (40, 1428241), (79, 723160), (101, 565640), (158, 361580), (179, 319160), (202, 282820), (316, 180790), (358, 159580), (395, 144632), (404, 141410), (505, 113128), (632, 90395), (716, 79790), (790, 72316), (808, 70705), (895, 63832), (1010, 56564), (1432, 39895), (1580, 36158), (1790, 31916), (2020, 28282), (3160, 18079), (3580, 15958), (4040, 14141), (7160, 7979)]