25410980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 40633180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 41, 70, 76, 82, 95, 133, 140, 164, 190, 205, 233, 266, 287, 380, 410, 466, 532, 574, 665, 779, 820, 932, 1148, 1165, 1330, 1435, 1558, 1631, 2330, 2660, 2870, 3116, 3262, 3895, 4427, 4660, 5453, 5740, 6524, 7790, 8155, 8854, 9553, 10906, 15580, 16310, 17708, 19106, 21812, 22135, 27265, 30989, 32620, 38212, 44270, 47765, 54530, 61978, 66871, 88540, 95530, 109060, 123956, 133742, 154945, 181507, 191060, 267484, 309890, 334355, 363014, 619780, 668710, 726028, 907535, 1270549, 1337420, 1815070, 2541098, 3630140, 5082196, 6352745, 12705490, 25410980]

約数ペア:

[(1, 25410980), (2, 12705490), (4, 6352745), (5, 5082196), (7, 3630140), (10, 2541098), (14, 1815070), (19, 1337420), (20, 1270549), (28, 907535), (35, 726028), (38, 668710), (41, 619780), (70, 363014), (76, 334355), (82, 309890), (95, 267484), (133, 191060), (140, 181507), (164, 154945), (190, 133742), (205, 123956), (233, 109060), (266, 95530), (287, 88540), (380, 66871), (410, 61978), (466, 54530), (532, 47765), (574, 44270), (665, 38212), (779, 32620), (820, 30989), (932, 27265), (1148, 22135), (1165, 21812), (1330, 19106), (1435, 17708), (1558, 16310), (1631, 15580), (2330, 10906), (2660, 9553), (2870, 8854), (3116, 8155), (3262, 7790), (3895, 6524), (4427, 5740), (4660, 5453)]