164552840

素因数分解:

$2^3\times 5^1\times {\mathrm{1447}}^1\times {\mathrm{2843}}^1$

素因数の和:4301

約数の個数: 32

約数和(自身を含む): 370630080

約数和(自身を除く): 206077240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1447, 2843, 2894, 5686, 5788, 7235, 11372, 11576, 14215, 14470, 22744, 28430, 28940, 56860, 57880, 113720, 4113821, 8227642, 16455284, 20569105, 32910568, 41138210, 82276420, 164552840]

約数ペア:

[(1, 164552840), (2, 82276420), (4, 41138210), (5, 32910568), (8, 20569105), (10, 16455284), (20, 8227642), (40, 4113821), (1447, 113720), (2843, 57880), (2894, 56860), (5686, 28940), (5788, 28430), (7235, 22744), (11372, 14470), (11576, 14215)]