15719720

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2411}}^1$

素因数の和:2585

約数の個数: 32

約数和(自身を含む): 35601120

約数和(自身を除く): 19881400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 2411, 3260, 4822, 6520, 9644, 12055, 19288, 24110, 48220, 96440, 392993, 785986, 1571972, 1964965, 3143944, 3929930, 7859860, 15719720]

約数ペア:

[(1, 15719720), (2, 7859860), (4, 3929930), (5, 3143944), (8, 1964965), (10, 1571972), (20, 785986), (40, 392993), (163, 96440), (326, 48220), (652, 24110), (815, 19288), (1304, 12055), (1630, 9644), (2411, 6520), (3260, 4822)]