13558780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1151}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 30965760

約数和(自身を除く): 17406980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1151, 1178, 2302, 2356, 2945, 4604, 5755, 5890, 11510, 11780, 21869, 23020, 35681, 43738, 71362, 87476, 109345, 142724, 178405, 218690, 356810, 437380, 677939, 713620, 1355878, 2711756, 3389695, 6779390, 13558780]

約数ペア:

[(1, 13558780), (2, 6779390), (4, 3389695), (5, 2711756), (10, 1355878), (19, 713620), (20, 677939), (31, 437380), (38, 356810), (62, 218690), (76, 178405), (95, 142724), (124, 109345), (155, 87476), (190, 71362), (310, 43738), (380, 35681), (589, 23020), (620, 21869), (1151, 11780), (1178, 11510), (2302, 5890), (2356, 5755), (2945, 4604)]