2027521840

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{378269}}^1$

素因数の和:378349

約数の個数: 40

約数和(自身を含む): 4784358960

約数和(自身を除く): 2756837120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 378269, 756538, 1513076, 1891345, 3026152, 3782690, 6052304, 7565380, 15130760, 25344023, 30261520, 50688046, 101376092, 126720115, 202752184, 253440230, 405504368, 506880460, 1013760920, 2027521840]

約数ペア:

[(1, 2027521840), (2, 1013760920), (4, 506880460), (5, 405504368), (8, 253440230), (10, 202752184), (16, 126720115), (20, 101376092), (40, 50688046), (67, 30261520), (80, 25344023), (134, 15130760), (268, 7565380), (335, 6052304), (536, 3782690), (670, 3026152), (1072, 1891345), (1340, 1513076), (2680, 756538), (5360, 378269)]