13640840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14827}}^1$

素因数の和:14861

約数の個数: 32

約数和(自身を含む): 32028480

約数和(自身を除く): 18387640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 14827, 29654, 59308, 74135, 118616, 148270, 296540, 341021, 593080, 682042, 1364084, 1705105, 2728168, 3410210, 6820420, 13640840]

約数ペア:

[(1, 13640840), (2, 6820420), (4, 3410210), (5, 2728168), (8, 1705105), (10, 1364084), (20, 682042), (23, 593080), (40, 341021), (46, 296540), (92, 148270), (115, 118616), (184, 74135), (230, 59308), (460, 29654), (920, 14827)]