51992080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 139098240

約数和(自身を除く): 87106160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 409, 454, 560, 818, 908, 1135, 1589, 1636, 1816, 2045, 2270, 2863, 3178, 3272, 3632, 4090, 4540, 5726, 6356, 6544, 7945, 8180, 9080, 11452, 12712, 14315, 15890, 16360, 18160, 22904, 25424, 28630, 31780, 32720, 45808, 57260, 63560, 92843, 114520, 127120, 185686, 229040, 371372, 464215, 649901, 742744, 928430, 1299802, 1485488, 1856860, 2599604, 3249505, 3713720, 5199208, 6499010, 7427440, 10398416, 12998020, 25996040, 51992080]

約数ペア:

[(1, 51992080), (2, 25996040), (4, 12998020), (5, 10398416), (7, 7427440), (8, 6499010), (10, 5199208), (14, 3713720), (16, 3249505), (20, 2599604), (28, 1856860), (35, 1485488), (40, 1299802), (56, 928430), (70, 742744), (80, 649901), (112, 464215), (140, 371372), (227, 229040), (280, 185686), (409, 127120), (454, 114520), (560, 92843), (818, 63560), (908, 57260), (1135, 45808), (1589, 32720), (1636, 31780), (1816, 28630), (2045, 25424), (2270, 22904), (2863, 18160), (3178, 16360), (3272, 15890), (3632, 14315), (4090, 12712), (4540, 11452), (5726, 9080), (6356, 8180), (6544, 7945)]