16728560

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3121}}^1$

素因数の和:3201

約数の個数: 40

約数和(自身を含む): 39487056

約数和(自身を除く): 22758496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 3121, 5360, 6242, 12484, 15605, 24968, 31210, 49936, 62420, 124840, 209107, 249680, 418214, 836428, 1045535, 1672856, 2091070, 3345712, 4182140, 8364280, 16728560]

約数ペア:

[(1, 16728560), (2, 8364280), (4, 4182140), (5, 3345712), (8, 2091070), (10, 1672856), (16, 1045535), (20, 836428), (40, 418214), (67, 249680), (80, 209107), (134, 124840), (268, 62420), (335, 49936), (536, 31210), (670, 24968), (1072, 15605), (1340, 12484), (2680, 6242), (3121, 5360)]