13313260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 29272320

約数和(自身を除く): 15959060

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 197, 218, 310, 394, 436, 545, 620, 788, 985, 1090, 1970, 2180, 3379, 3940, 6107, 6758, 12214, 13516, 16895, 21473, 24428, 30535, 33790, 42946, 61070, 67580, 85892, 107365, 122140, 214730, 429460, 665663, 1331326, 2662652, 3328315, 6656630, 13313260]

約数ペア:

[(1, 13313260), (2, 6656630), (4, 3328315), (5, 2662652), (10, 1331326), (20, 665663), (31, 429460), (62, 214730), (109, 122140), (124, 107365), (155, 85892), (197, 67580), (218, 61070), (310, 42946), (394, 33790), (436, 30535), (545, 24428), (620, 21473), (788, 16895), (985, 13516), (1090, 12214), (1970, 6758), (2180, 6107), (3379, 3940)]