4026556720

素因数分解:

$2^4\times 5^1\times {\mathrm{2381}}^1\times {\mathrm{21139}}^1$

素因数の和:23533

約数の個数: 40

約数和(自身を含む): 9366119280

約数和(自身を除く): 5339562560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2381, 4762, 9524, 11905, 19048, 21139, 23810, 38096, 42278, 47620, 84556, 95240, 105695, 169112, 190480, 211390, 338224, 422780, 845560, 1691120, 50331959, 100663918, 201327836, 251659795, 402655672, 503319590, 805311344, 1006639180, 2013278360, 4026556720]

約数ペア:

[(1, 4026556720), (2, 2013278360), (4, 1006639180), (5, 805311344), (8, 503319590), (10, 402655672), (16, 251659795), (20, 201327836), (40, 100663918), (80, 50331959), (2381, 1691120), (4762, 845560), (9524, 422780), (11905, 338224), (19048, 211390), (21139, 190480), (23810, 169112), (38096, 105695), (42278, 95240), (47620, 84556)]