1312840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1427}}^1$

素因数の和:1461

約数の個数: 32

約数和(自身を含む): 3084480

約数和(自身を除く): 1771640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1427, 2854, 5708, 7135, 11416, 14270, 28540, 32821, 57080, 65642, 131284, 164105, 262568, 328210, 656420, 1312840]

約数ペア:

[(1, 1312840), (2, 656420), (4, 328210), (5, 262568), (8, 164105), (10, 131284), (20, 65642), (23, 57080), (40, 32821), (46, 28540), (92, 14270), (115, 11416), (184, 7135), (230, 5708), (460, 2854), (920, 1427)]