13838360

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{997}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 31257360

約数和(自身を除く): 17419000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 997, 1388, 1735, 1994, 2776, 3470, 3988, 4985, 6940, 7976, 9970, 13880, 19940, 39880, 345959, 691918, 1383836, 1729795, 2767672, 3459590, 6919180, 13838360]

約数ペア:

[(1, 13838360), (2, 6919180), (4, 3459590), (5, 2767672), (8, 1729795), (10, 1383836), (20, 691918), (40, 345959), (347, 39880), (694, 19940), (997, 13880), (1388, 9970), (1735, 7976), (1994, 6940), (2776, 4985), (3470, 3988)]