89354120

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{8243}}^1$

素因数の和:8525

約数の個数: 32

約数和(自身を含む): 201813120

約数和(自身を除く): 112459000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 8243, 10840, 16486, 32972, 41215, 65944, 82430, 164860, 329720, 2233853, 4467706, 8935412, 11169265, 17870824, 22338530, 44677060, 89354120]

約数ペア:

[(1, 89354120), (2, 44677060), (4, 22338530), (5, 17870824), (8, 11169265), (10, 8935412), (20, 4467706), (40, 2233853), (271, 329720), (542, 164860), (1084, 82430), (1355, 65944), (2168, 41215), (2710, 32972), (5420, 16486), (8243, 10840)]