50190020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{491}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 111585600

約数和(自身を除く): 61395580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 269, 380, 491, 538, 982, 1076, 1345, 1964, 2455, 2690, 4910, 5111, 5380, 9329, 9820, 10222, 18658, 20444, 25555, 37316, 46645, 51110, 93290, 102220, 132079, 186580, 264158, 528316, 660395, 1320790, 2509501, 2641580, 5019002, 10038004, 12547505, 25095010, 50190020]

約数ペア:

[(1, 50190020), (2, 25095010), (4, 12547505), (5, 10038004), (10, 5019002), (19, 2641580), (20, 2509501), (38, 1320790), (76, 660395), (95, 528316), (190, 264158), (269, 186580), (380, 132079), (491, 102220), (538, 93290), (982, 51110), (1076, 46645), (1345, 37316), (1964, 25555), (2455, 20444), (2690, 18658), (4910, 10222), (5111, 9820), (5380, 9329)]