25463440

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4483}}^1$

素因数の和:4567

約数の個数: 40

約数和(自身を含む): 60049728

約数和(自身を除く): 34586288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 4483, 5680, 8966, 17932, 22415, 35864, 44830, 71728, 89660, 179320, 318293, 358640, 636586, 1273172, 1591465, 2546344, 3182930, 5092688, 6365860, 12731720, 25463440]

約数ペア:

[(1, 25463440), (2, 12731720), (4, 6365860), (5, 5092688), (8, 3182930), (10, 2546344), (16, 1591465), (20, 1273172), (40, 636586), (71, 358640), (80, 318293), (142, 179320), (284, 89660), (355, 71728), (568, 44830), (710, 35864), (1136, 22415), (1420, 17932), (2840, 8966), (4483, 5680)]