13561660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 32808384

約数和(自身を除く): 19246724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 617, 628, 785, 1099, 1234, 1570, 2198, 2468, 3085, 3140, 4319, 4396, 5495, 6170, 8638, 10990, 12340, 17276, 21595, 21980, 43190, 86380, 96869, 193738, 387476, 484345, 678083, 968690, 1356166, 1937380, 2712332, 3390415, 6780830, 13561660]

約数ペア:

[(1, 13561660), (2, 6780830), (4, 3390415), (5, 2712332), (7, 1937380), (10, 1356166), (14, 968690), (20, 678083), (28, 484345), (35, 387476), (70, 193738), (140, 96869), (157, 86380), (314, 43190), (617, 21980), (628, 21595), (785, 17276), (1099, 12340), (1234, 10990), (1570, 8638), (2198, 6170), (2468, 5495), (3085, 4396), (3140, 4319)]