15427420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 34100640

約数和(自身を除く): 18673220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 116, 134, 145, 268, 290, 335, 397, 580, 670, 794, 1340, 1588, 1943, 1985, 3886, 3970, 7772, 7940, 9715, 11513, 19430, 23026, 26599, 38860, 46052, 53198, 57565, 106396, 115130, 132995, 230260, 265990, 531980, 771371, 1542742, 3085484, 3856855, 7713710, 15427420]

約数ペア:

[(1, 15427420), (2, 7713710), (4, 3856855), (5, 3085484), (10, 1542742), (20, 771371), (29, 531980), (58, 265990), (67, 230260), (116, 132995), (134, 115130), (145, 106396), (268, 57565), (290, 53198), (335, 46052), (397, 38860), (580, 26599), (670, 23026), (794, 19430), (1340, 11513), (1588, 9715), (1943, 7940), (1985, 7772), (3886, 3970)]