16112740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1621}}^1$

素因数の和:1708

約数の個数: 48

約数和(自身を含む): 39239424

約数和(自身を除く): 23126684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1621, 1988, 2485, 3242, 4970, 6484, 8105, 9940, 11347, 16210, 22694, 32420, 45388, 56735, 113470, 115091, 226940, 230182, 460364, 575455, 805637, 1150910, 1611274, 2301820, 3222548, 4028185, 8056370, 16112740]

約数ペア:

[(1, 16112740), (2, 8056370), (4, 4028185), (5, 3222548), (7, 2301820), (10, 1611274), (14, 1150910), (20, 805637), (28, 575455), (35, 460364), (70, 230182), (71, 226940), (140, 115091), (142, 113470), (284, 56735), (355, 45388), (497, 32420), (710, 22694), (994, 16210), (1420, 11347), (1621, 9940), (1988, 8105), (2485, 6484), (3242, 4970)]