26126140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{349}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 58212000

約数和(自身を除く): 32085860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 197, 349, 380, 394, 698, 788, 985, 1396, 1745, 1970, 3490, 3743, 3940, 6631, 6980, 7486, 13262, 14972, 18715, 26524, 33155, 37430, 66310, 68753, 74860, 132620, 137506, 275012, 343765, 687530, 1306307, 1375060, 2612614, 5225228, 6531535, 13063070, 26126140]

約数ペア:

[(1, 26126140), (2, 13063070), (4, 6531535), (5, 5225228), (10, 2612614), (19, 1375060), (20, 1306307), (38, 687530), (76, 343765), (95, 275012), (190, 137506), (197, 132620), (349, 74860), (380, 68753), (394, 66310), (698, 37430), (788, 33155), (985, 26524), (1396, 18715), (1745, 14972), (1970, 13262), (3490, 7486), (3743, 6980), (3940, 6631)]