1897609520

素因数分解:

$2^4\times 5^1\times {\mathrm{2281}}^1\times {\mathrm{10399}}^1$

素因数の和:12693

約数の個数: 40

約数和(自身を含む): 4414300800

約数和(自身を除く): 2516691280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2281, 4562, 9124, 10399, 11405, 18248, 20798, 22810, 36496, 41596, 45620, 51995, 83192, 91240, 103990, 166384, 182480, 207980, 415960, 831920, 23720119, 47440238, 94880476, 118600595, 189760952, 237201190, 379521904, 474402380, 948804760, 1897609520]

約数ペア:

[(1, 1897609520), (2, 948804760), (4, 474402380), (5, 379521904), (8, 237201190), (10, 189760952), (16, 118600595), (20, 94880476), (40, 47440238), (80, 23720119), (2281, 831920), (4562, 415960), (9124, 207980), (10399, 182480), (11405, 166384), (18248, 103990), (20798, 91240), (22810, 83192), (36496, 51995), (41596, 45620)]