25888400

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1061}}^1$

素因数の和:1140

約数の個数: 60

約数和(自身を含む): 63276084

約数和(自身を除く): 37387684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 610, 976, 1061, 1220, 1525, 2122, 2440, 3050, 4244, 4880, 5305, 6100, 8488, 10610, 12200, 16976, 21220, 24400, 26525, 42440, 53050, 64721, 84880, 106100, 129442, 212200, 258884, 323605, 424400, 517768, 647210, 1035536, 1294420, 1618025, 2588840, 3236050, 5177680, 6472100, 12944200, 25888400]

約数ペア:

[(1, 25888400), (2, 12944200), (4, 6472100), (5, 5177680), (8, 3236050), (10, 2588840), (16, 1618025), (20, 1294420), (25, 1035536), (40, 647210), (50, 517768), (61, 424400), (80, 323605), (100, 258884), (122, 212200), (200, 129442), (244, 106100), (305, 84880), (400, 64721), (488, 53050), (610, 42440), (976, 26525), (1061, 24400), (1220, 21220), (1525, 16976), (2122, 12200), (2440, 10610), (3050, 8488), (4244, 6100), (4880, 5305)]