15772040

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1117}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 35619480

約数和(自身を除く): 19847440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1117, 1412, 1765, 2234, 2824, 3530, 4468, 5585, 7060, 8936, 11170, 14120, 22340, 44680, 394301, 788602, 1577204, 1971505, 3154408, 3943010, 7886020, 15772040]

約数ペア:

[(1, 15772040), (2, 7886020), (4, 3943010), (5, 3154408), (8, 1971505), (10, 1577204), (20, 788602), (40, 394301), (353, 44680), (706, 22340), (1117, 14120), (1412, 11170), (1765, 8936), (2234, 7060), (2824, 5585), (3530, 4468)]