13085560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 30844800

約数和(自身を除く): 17759240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 79, 82, 101, 158, 164, 202, 205, 316, 328, 395, 404, 410, 505, 632, 790, 808, 820, 1010, 1580, 1640, 2020, 3160, 3239, 4040, 4141, 6478, 7979, 8282, 12956, 15958, 16195, 16564, 20705, 25912, 31916, 32390, 33128, 39895, 41410, 63832, 64780, 79790, 82820, 129560, 159580, 165640, 319160, 327139, 654278, 1308556, 1635695, 2617112, 3271390, 6542780, 13085560]

約数ペア:

[(1, 13085560), (2, 6542780), (4, 3271390), (5, 2617112), (8, 1635695), (10, 1308556), (20, 654278), (40, 327139), (41, 319160), (79, 165640), (82, 159580), (101, 129560), (158, 82820), (164, 79790), (202, 64780), (205, 63832), (316, 41410), (328, 39895), (395, 33128), (404, 32390), (410, 31916), (505, 25912), (632, 20705), (790, 16564), (808, 16195), (820, 15958), (1010, 12956), (1580, 8282), (1640, 7979), (2020, 6478), (3160, 4141), (3239, 4040)]