15219440

素因数分解:

$2^4\times 5^1\times {\mathrm{190243}}^1$

素因数の和:190256

約数の個数: 20

約数和(自身を含む): 35385384

約数和(自身を除く): 20165944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 190243, 380486, 760972, 951215, 1521944, 1902430, 3043888, 3804860, 7609720, 15219440]

約数ペア:

[(1, 15219440), (2, 7609720), (4, 3804860), (5, 3043888), (8, 1902430), (10, 1521944), (16, 951215), (20, 760972), (40, 380486), (80, 190243)]