25291213160

素因数分解:

$2^3\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{620491}}^1$

素因数の和:621521

約数の個数: 32

約数和(自身を含む): 56961165600

約数和(自身を除く): 31669952440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1019, 2038, 4076, 5095, 8152, 10190, 20380, 40760, 620491, 1240982, 2481964, 3102455, 4963928, 6204910, 12409820, 24819640, 632280329, 1264560658, 2529121316, 3161401645, 5058242632, 6322803290, 12645606580, 25291213160]

約数ペア:

[(1, 25291213160), (2, 12645606580), (4, 6322803290), (5, 5058242632), (8, 3161401645), (10, 2529121316), (20, 1264560658), (40, 632280329), (1019, 24819640), (2038, 12409820), (4076, 6204910), (5095, 4963928), (8152, 3102455), (10190, 2481964), (20380, 1240982), (40760, 620491)]