99739720

素因数分解:

$2^3\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{2447}}^1$

素因数の和:3477

約数の個数: 32

約数和(自身を含む): 224726400

約数和(自身を除く): 124986680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1019, 2038, 2447, 4076, 4894, 5095, 8152, 9788, 10190, 12235, 19576, 20380, 24470, 40760, 48940, 97880, 2493493, 4986986, 9973972, 12467465, 19947944, 24934930, 49869860, 99739720]

約数ペア:

[(1, 99739720), (2, 49869860), (4, 24934930), (5, 19947944), (8, 12467465), (10, 9973972), (20, 4986986), (40, 2493493), (1019, 97880), (2038, 48940), (2447, 40760), (4076, 24470), (4894, 20380), (5095, 19576), (8152, 12235), (9788, 10190)]