30393560

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6971}}^1$

素因数の和:7091

約数の個数: 32

約数和(自身を含む): 69022800

約数和(自身を除く): 38629240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 6971, 13942, 27884, 34855, 55768, 69710, 139420, 278840, 759839, 1519678, 3039356, 3799195, 6078712, 7598390, 15196780, 30393560]

約数ペア:

[(1, 30393560), (2, 15196780), (4, 7598390), (5, 6078712), (8, 3799195), (10, 3039356), (20, 1519678), (40, 759839), (109, 278840), (218, 139420), (436, 69710), (545, 55768), (872, 34855), (1090, 27884), (2180, 13942), (4360, 6971)]