25699160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9049}}^1$

素因数の和:9131

約数の個数: 32

約数和(自身を含む): 58644000

約数和(自身を除く): 32944840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 9049, 18098, 36196, 45245, 72392, 90490, 180980, 361960, 642479, 1284958, 2569916, 3212395, 5139832, 6424790, 12849580, 25699160]

約数ペア:

[(1, 25699160), (2, 12849580), (4, 6424790), (5, 5139832), (8, 3212395), (10, 2569916), (20, 1284958), (40, 642479), (71, 361960), (142, 180980), (284, 90490), (355, 72392), (568, 45245), (710, 36196), (1420, 18098), (2840, 9049)]