9874840

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1427}}^1$

素因数の和:1611

約数の個数: 32

約数和(自身を含む): 22362480

約数和(自身を除く): 12487640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1427, 1730, 2854, 3460, 5708, 6920, 7135, 11416, 14270, 28540, 57080, 246871, 493742, 987484, 1234355, 1974968, 2468710, 4937420, 9874840]

約数ペア:

[(1, 9874840), (2, 4937420), (4, 2468710), (5, 1974968), (8, 1234355), (10, 987484), (20, 493742), (40, 246871), (173, 57080), (346, 28540), (692, 14270), (865, 11416), (1384, 7135), (1427, 6920), (1730, 5708), (2854, 3460)]