251141320

素因数分解:

$2^3\times 5^1\times {\mathrm{1447}}^1\times {\mathrm{4339}}^1$

素因数の和:5797

約数の個数: 32

約数和(自身を含む): 565588800

約数和(自身を除く): 314447480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1447, 2894, 4339, 5788, 7235, 8678, 11576, 14470, 17356, 21695, 28940, 34712, 43390, 57880, 86780, 173560, 6278533, 12557066, 25114132, 31392665, 50228264, 62785330, 125570660, 251141320]

約数ペア:

[(1, 251141320), (2, 125570660), (4, 62785330), (5, 50228264), (8, 31392665), (10, 25114132), (20, 12557066), (40, 6278533), (1447, 173560), (2894, 86780), (4339, 57880), (5788, 43390), (7235, 34712), (8678, 28940), (11576, 21695), (14470, 17356)]