31545640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{112663}}^1$

素因数の和:112681

約数の個数: 32

約数和(自身を含む): 81118080

約数和(自身を除く): 49572440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 112663, 225326, 450652, 563315, 788641, 901304, 1126630, 1577282, 2253260, 3154564, 3943205, 4506520, 6309128, 7886410, 15772820, 31545640]

約数ペア:

[(1, 31545640), (2, 15772820), (4, 7886410), (5, 6309128), (7, 4506520), (8, 3943205), (10, 3154564), (14, 2253260), (20, 1577282), (28, 1126630), (35, 901304), (40, 788641), (56, 563315), (70, 450652), (140, 225326), (280, 112663)]