8074820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2389}}^1$

素因数の和:2424

約数の個数: 36

約数和(自身を含む): 18369540

約数和(自身を除く): 10294720

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2389, 3380, 4778, 9556, 11945, 23890, 31057, 47780, 62114, 124228, 155285, 310570, 403741, 621140, 807482, 1614964, 2018705, 4037410, 8074820]

約数ペア:

[(1, 8074820), (2, 4037410), (4, 2018705), (5, 1614964), (10, 807482), (13, 621140), (20, 403741), (26, 310570), (52, 155285), (65, 124228), (130, 62114), (169, 47780), (260, 31057), (338, 23890), (676, 11945), (845, 9556), (1690, 4778), (2389, 3380)]