30385840

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5669}}^1$

素因数の和:5749

約数の個数: 40

約数和(自身を含む): 71714160

約数和(自身を除く): 41328320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 5669, 11338, 22676, 28345, 45352, 56690, 90704, 113380, 226760, 379823, 453520, 759646, 1519292, 1899115, 3038584, 3798230, 6077168, 7596460, 15192920, 30385840]

約数ペア:

[(1, 30385840), (2, 15192920), (4, 7596460), (5, 6077168), (8, 3798230), (10, 3038584), (16, 1899115), (20, 1519292), (40, 759646), (67, 453520), (80, 379823), (134, 226760), (268, 113380), (335, 90704), (536, 56690), (670, 45352), (1072, 28345), (1340, 22676), (2680, 11338), (5360, 5669)]