13103020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{541}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 31687488

約数和(自身を除く): 18584468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 541, 692, 865, 1082, 1211, 1730, 2164, 2422, 2705, 3460, 3787, 4844, 5410, 6055, 7574, 10820, 12110, 15148, 18935, 24220, 37870, 75740, 93593, 187186, 374372, 467965, 655151, 935930, 1310302, 1871860, 2620604, 3275755, 6551510, 13103020]

約数ペア:

[(1, 13103020), (2, 6551510), (4, 3275755), (5, 2620604), (7, 1871860), (10, 1310302), (14, 935930), (20, 655151), (28, 467965), (35, 374372), (70, 187186), (140, 93593), (173, 75740), (346, 37870), (541, 24220), (692, 18935), (865, 15148), (1082, 12110), (1211, 10820), (1730, 7574), (2164, 6055), (2422, 5410), (2705, 4844), (3460, 3787)]