29069720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16901}}^1$

素因数の和:16955

約数の個数: 32

約数和(自身を含む): 66931920

約数和(自身を除く): 37862200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 16901, 33802, 67604, 84505, 135208, 169010, 338020, 676040, 726743, 1453486, 2906972, 3633715, 5813944, 7267430, 14534860, 29069720]

約数ペア:

[(1, 29069720), (2, 14534860), (4, 7267430), (5, 5813944), (8, 3633715), (10, 2906972), (20, 1453486), (40, 726743), (43, 676040), (86, 338020), (172, 169010), (215, 135208), (344, 84505), (430, 67604), (860, 33802), (1720, 16901)]