272040400

素因数分解:

$2^4\times 5^2\times {\mathrm{641}}^1\times {\mathrm{1061}}^1$

素因数の和:1720

約数の個数: 60

約数和(自身を含む): 655213644

約数和(自身を除く): 383173244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 641, 1061, 1282, 2122, 2564, 3205, 4244, 5128, 5305, 6410, 8488, 10256, 10610, 12820, 16025, 16976, 21220, 25640, 26525, 32050, 42440, 51280, 53050, 64100, 84880, 106100, 128200, 212200, 256400, 424400, 680101, 1360202, 2720404, 3400505, 5440808, 6801010, 10881616, 13602020, 17002525, 27204040, 34005050, 54408080, 68010100, 136020200, 272040400]

約数ペア:

[(1, 272040400), (2, 136020200), (4, 68010100), (5, 54408080), (8, 34005050), (10, 27204040), (16, 17002525), (20, 13602020), (25, 10881616), (40, 6801010), (50, 5440808), (80, 3400505), (100, 2720404), (200, 1360202), (400, 680101), (641, 424400), (1061, 256400), (1282, 212200), (2122, 128200), (2564, 106100), (3205, 84880), (4244, 64100), (5128, 53050), (5305, 51280), (6410, 42440), (8488, 32050), (10256, 26525), (10610, 25640), (12820, 21220), (16025, 16976)]