86350280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2078

約数の個数: 64

約数和(自身を含む): 207152640

約数和(自身を除く): 120802360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 920, 940, 1081, 1880, 1997, 2162, 3994, 4324, 5405, 7988, 8648, 9985, 10810, 15976, 19970, 21620, 39940, 43240, 45931, 79880, 91862, 93859, 183724, 187718, 229655, 367448, 375436, 459310, 469295, 750872, 918620, 938590, 1837240, 1877180, 2158757, 3754360, 4317514, 8635028, 10793785, 17270056, 21587570, 43175140, 86350280]

約数ペア:

[(1, 86350280), (2, 43175140), (4, 21587570), (5, 17270056), (8, 10793785), (10, 8635028), (20, 4317514), (23, 3754360), (40, 2158757), (46, 1877180), (47, 1837240), (92, 938590), (94, 918620), (115, 750872), (184, 469295), (188, 459310), (230, 375436), (235, 367448), (376, 229655), (460, 187718), (470, 183724), (920, 93859), (940, 91862), (1081, 79880), (1880, 45931), (1997, 43240), (2162, 39940), (3994, 21620), (4324, 19970), (5405, 15976), (7988, 10810), (8648, 9985)]