142438360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{82813}}^1$

素因数の和:82867

約数の個数: 32

約数和(自身を含む): 327943440

約数和(自身を除く): 185505080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 82813, 165626, 331252, 414065, 662504, 828130, 1656260, 3312520, 3560959, 7121918, 14243836, 17804795, 28487672, 35609590, 71219180, 142438360]

約数ペア:

[(1, 142438360), (2, 71219180), (4, 35609590), (5, 28487672), (8, 17804795), (10, 14243836), (20, 7121918), (40, 3560959), (43, 3312520), (86, 1656260), (172, 828130), (215, 662504), (344, 414065), (430, 331252), (860, 165626), (1720, 82813)]