38185720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^2$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 88509960

約数和(自身を除く): 50324240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 149, 172, 215, 298, 344, 430, 596, 745, 860, 1192, 1490, 1720, 2980, 5960, 6407, 12814, 22201, 25628, 32035, 44402, 51256, 64070, 88804, 111005, 128140, 177608, 222010, 256280, 444020, 888040, 954643, 1909286, 3818572, 4773215, 7637144, 9546430, 19092860, 38185720]

約数ペア:

[(1, 38185720), (2, 19092860), (4, 9546430), (5, 7637144), (8, 4773215), (10, 3818572), (20, 1909286), (40, 954643), (43, 888040), (86, 444020), (149, 256280), (172, 222010), (215, 177608), (298, 128140), (344, 111005), (430, 88804), (596, 64070), (745, 51256), (860, 44402), (1192, 32035), (1490, 25628), (1720, 22201), (2980, 12814), (5960, 6407)]