40581340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{397}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 90266400

約数和(自身を除く): 49685060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 269, 380, 397, 538, 794, 1076, 1345, 1588, 1985, 2690, 3970, 5111, 5380, 7543, 7940, 10222, 15086, 20444, 25555, 30172, 37715, 51110, 75430, 102220, 106793, 150860, 213586, 427172, 533965, 1067930, 2029067, 2135860, 4058134, 8116268, 10145335, 20290670, 40581340]

約数ペア:

[(1, 40581340), (2, 20290670), (4, 10145335), (5, 8116268), (10, 4058134), (19, 2135860), (20, 2029067), (38, 1067930), (76, 533965), (95, 427172), (190, 213586), (269, 150860), (380, 106793), (397, 102220), (538, 75430), (794, 51110), (1076, 37715), (1345, 30172), (1588, 25555), (1985, 20444), (2690, 15086), (3970, 10222), (5111, 7940), (5380, 7543)]