26776940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 57879360

約数和(自身を除く): 31102420

約数列:

[1, 2, 4, 5, 10, 20, 71, 109, 142, 173, 218, 284, 346, 355, 436, 545, 692, 710, 865, 1090, 1420, 1730, 2180, 3460, 7739, 12283, 15478, 18857, 24566, 30956, 37714, 38695, 49132, 61415, 75428, 77390, 94285, 122830, 154780, 188570, 245660, 377140, 1338847, 2677694, 5355388, 6694235, 13388470, 26776940]

約数ペア:

[(1, 26776940), (2, 13388470), (4, 6694235), (5, 5355388), (10, 2677694), (20, 1338847), (71, 377140), (109, 245660), (142, 188570), (173, 154780), (218, 122830), (284, 94285), (346, 77390), (355, 75428), (436, 61415), (545, 49132), (692, 38695), (710, 37714), (865, 30956), (1090, 24566), (1420, 18857), (1730, 15478), (2180, 12283), (3460, 7739)]