26285620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 56827008

約数和(自身を除く): 30541388

約数列:

[1, 2, 4, 5, 10, 20, 71, 107, 142, 173, 214, 284, 346, 355, 428, 535, 692, 710, 865, 1070, 1420, 1730, 2140, 3460, 7597, 12283, 15194, 18511, 24566, 30388, 37022, 37985, 49132, 61415, 74044, 75970, 92555, 122830, 151940, 185110, 245660, 370220, 1314281, 2628562, 5257124, 6571405, 13142810, 26285620]

約数ペア:

[(1, 26285620), (2, 13142810), (4, 6571405), (5, 5257124), (10, 2628562), (20, 1314281), (71, 370220), (107, 245660), (142, 185110), (173, 151940), (214, 122830), (284, 92555), (346, 75970), (355, 74044), (428, 61415), (535, 49132), (692, 37985), (710, 37022), (865, 30388), (1070, 24566), (1420, 18511), (1730, 15194), (2140, 12283), (3460, 7597)]