25256480

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3671}}^1$

素因数の和:3729

約数の個数: 48

約数和(自身を含む): 61072704

約数和(自身を除く): 35816224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 3671, 6880, 7342, 14684, 18355, 29368, 36710, 58736, 73420, 117472, 146840, 157853, 293680, 315706, 587360, 631412, 789265, 1262824, 1578530, 2525648, 3157060, 5051296, 6314120, 12628240, 25256480]

約数ペア:

[(1, 25256480), (2, 12628240), (4, 6314120), (5, 5051296), (8, 3157060), (10, 2525648), (16, 1578530), (20, 1262824), (32, 789265), (40, 631412), (43, 587360), (80, 315706), (86, 293680), (160, 157853), (172, 146840), (215, 117472), (344, 73420), (430, 58736), (688, 36710), (860, 29368), (1376, 18355), (1720, 14684), (3440, 7342), (3671, 6880)]