87457640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59093}}^1$

素因数の和:59141

約数の個数: 32

約数和(自身を含む): 202101480

約数和(自身を除く): 114643840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 59093, 118186, 236372, 295465, 472744, 590930, 1181860, 2186441, 2363720, 4372882, 8745764, 10932205, 17491528, 21864410, 43728820, 87457640]

約数ペア:

[(1, 87457640), (2, 43728820), (4, 21864410), (5, 17491528), (8, 10932205), (10, 8745764), (20, 4372882), (37, 2363720), (40, 2186441), (74, 1181860), (148, 590930), (185, 472744), (296, 295465), (370, 236372), (740, 118186), (1480, 59093)]