103978520

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{5107}}^1$

素因数の和:5627

約数の個数: 32

約数和(自身を含む): 234457200

約数和(自身を除く): 130478680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 5090, 5107, 10180, 10214, 20360, 20428, 25535, 40856, 51070, 102140, 204280, 2599463, 5198926, 10397852, 12997315, 20795704, 25994630, 51989260, 103978520]

約数ペア:

[(1, 103978520), (2, 51989260), (4, 25994630), (5, 20795704), (8, 12997315), (10, 10397852), (20, 5198926), (40, 2599463), (509, 204280), (1018, 102140), (2036, 51070), (2545, 40856), (4072, 25535), (5090, 20428), (5107, 20360), (10180, 10214)]