28212160

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:821

約数の個数: 56

約数和(自身を含む): 67793616

約数和(自身を除く): 39581456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 655, 673, 1048, 1310, 1346, 2096, 2620, 2692, 3365, 4192, 5240, 5384, 6730, 8384, 10480, 10768, 13460, 20960, 21536, 26920, 41920, 43072, 53840, 88163, 107680, 176326, 215360, 352652, 440815, 705304, 881630, 1410608, 1763260, 2821216, 3526520, 5642432, 7053040, 14106080, 28212160]

約数ペア:

[(1, 28212160), (2, 14106080), (4, 7053040), (5, 5642432), (8, 3526520), (10, 2821216), (16, 1763260), (20, 1410608), (32, 881630), (40, 705304), (64, 440815), (80, 352652), (131, 215360), (160, 176326), (262, 107680), (320, 88163), (524, 53840), (655, 43072), (673, 41920), (1048, 26920), (1310, 21536), (1346, 20960), (2096, 13460), (2620, 10768), (2692, 10480), (3365, 8384), (4192, 6730), (5240, 5384)]