40308970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2081}}^1$

素因数の和:2250

約数の個数: 32

約数和(自身を含む): 78699600

約数和(自身を除く): 38390630

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 2081, 3874, 4162, 9685, 10405, 19370, 20810, 27053, 54106, 135265, 270530, 310069, 620138, 1550345, 3100690, 4030897, 8061794, 20154485, 40308970]

約数ペア:

[(1, 40308970), (2, 20154485), (5, 8061794), (10, 4030897), (13, 3100690), (26, 1550345), (65, 620138), (130, 310069), (149, 270530), (298, 135265), (745, 54106), (1490, 27053), (1937, 20810), (2081, 19370), (3874, 10405), (4162, 9685)]