26984560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 67808160

約数和(自身を除く): 40823600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 433, 656, 760, 779, 820, 866, 1520, 1558, 1640, 1732, 2165, 3116, 3280, 3464, 3895, 4330, 6232, 6928, 7790, 8227, 8660, 12464, 15580, 16454, 17320, 17753, 31160, 32908, 34640, 35506, 41135, 62320, 65816, 71012, 82270, 88765, 131632, 142024, 164540, 177530, 284048, 329080, 337307, 355060, 658160, 674614, 710120, 1349228, 1420240, 1686535, 2698456, 3373070, 5396912, 6746140, 13492280, 26984560]

約数ペア:

[(1, 26984560), (2, 13492280), (4, 6746140), (5, 5396912), (8, 3373070), (10, 2698456), (16, 1686535), (19, 1420240), (20, 1349228), (38, 710120), (40, 674614), (41, 658160), (76, 355060), (80, 337307), (82, 329080), (95, 284048), (152, 177530), (164, 164540), (190, 142024), (205, 131632), (304, 88765), (328, 82270), (380, 71012), (410, 65816), (433, 62320), (656, 41135), (760, 35506), (779, 34640), (820, 32908), (866, 31160), (1520, 17753), (1558, 17320), (1640, 16454), (1732, 15580), (2165, 12464), (3116, 8660), (3280, 8227), (3464, 7790), (3895, 6928), (4330, 6232)]