2595778840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{821449}}^1$

素因数の和:821539

約数の個数: 32

約数和(自身を含む): 5914440000

約数和(自身を除く): 3318661160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 821449, 1642898, 3285796, 4107245, 6571592, 8214490, 16428980, 32857960, 64894471, 129788942, 259577884, 324472355, 519155768, 648944710, 1297889420, 2595778840]

約数ペア:

[(1, 2595778840), (2, 1297889420), (4, 648944710), (5, 519155768), (8, 324472355), (10, 259577884), (20, 129788942), (40, 64894471), (79, 32857960), (158, 16428980), (316, 8214490), (395, 6571592), (632, 4107245), (790, 3285796), (1580, 1642898), (3160, 821449)]