13866640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 34372800

約数和(自身を除く): 20506160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 43, 58, 80, 86, 116, 139, 145, 172, 215, 232, 278, 290, 344, 430, 464, 556, 580, 688, 695, 860, 1112, 1160, 1247, 1390, 1720, 2224, 2320, 2494, 2780, 3440, 4031, 4988, 5560, 5977, 6235, 8062, 9976, 11120, 11954, 12470, 16124, 19952, 20155, 23908, 24940, 29885, 32248, 40310, 47816, 49880, 59770, 64496, 80620, 95632, 99760, 119540, 161240, 173333, 239080, 322480, 346666, 478160, 693332, 866665, 1386664, 1733330, 2773328, 3466660, 6933320, 13866640]

約数ペア:

[(1, 13866640), (2, 6933320), (4, 3466660), (5, 2773328), (8, 1733330), (10, 1386664), (16, 866665), (20, 693332), (29, 478160), (40, 346666), (43, 322480), (58, 239080), (80, 173333), (86, 161240), (116, 119540), (139, 99760), (145, 95632), (172, 80620), (215, 64496), (232, 59770), (278, 49880), (290, 47816), (344, 40310), (430, 32248), (464, 29885), (556, 24940), (580, 23908), (688, 20155), (695, 19952), (860, 16124), (1112, 12470), (1160, 11954), (1247, 11120), (1390, 9976), (1720, 8062), (2224, 6235), (2320, 5977), (2494, 5560), (2780, 4988), (3440, 4031)]