1392920240

素因数分解:

$2^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{30493}}^1$

素因数の和:31077

約数の個数: 40

約数和(自身を含む): 3244317648

約数和(自身を除く): 1851397408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 571, 1142, 2284, 2855, 4568, 5710, 9136, 11420, 22840, 30493, 45680, 60986, 121972, 152465, 243944, 304930, 487888, 609860, 1219720, 2439440, 17411503, 34823006, 69646012, 87057515, 139292024, 174115030, 278584048, 348230060, 696460120, 1392920240]

約数ペア:

[(1, 1392920240), (2, 696460120), (4, 348230060), (5, 278584048), (8, 174115030), (10, 139292024), (16, 87057515), (20, 69646012), (40, 34823006), (80, 17411503), (571, 2439440), (1142, 1219720), (2284, 609860), (2855, 487888), (4568, 304930), (5710, 243944), (9136, 152465), (11420, 121972), (22840, 60986), (30493, 45680)]