25894640

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1871}}^1$

素因数の和:2057

約数の個数: 40

約数和(自身を含む): 60585408

約数和(自身を除く): 34690768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 1871, 2768, 3460, 3742, 6920, 7484, 9355, 13840, 14968, 18710, 29936, 37420, 74840, 149680, 323683, 647366, 1294732, 1618415, 2589464, 3236830, 5178928, 6473660, 12947320, 25894640]

約数ペア:

[(1, 25894640), (2, 12947320), (4, 6473660), (5, 5178928), (8, 3236830), (10, 2589464), (16, 1618415), (20, 1294732), (40, 647366), (80, 323683), (173, 149680), (346, 74840), (692, 37420), (865, 29936), (1384, 18710), (1730, 14968), (1871, 13840), (2768, 9355), (3460, 7484), (3742, 6920)]