10819240

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1373}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 24484680

約数和(自身を除く): 13665440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1373, 1576, 1970, 2746, 3940, 5492, 6865, 7880, 10984, 13730, 27460, 54920, 270481, 540962, 1081924, 1352405, 2163848, 2704810, 5409620, 10819240]

約数ペア:

[(1, 10819240), (2, 5409620), (4, 2704810), (5, 2163848), (8, 1352405), (10, 1081924), (20, 540962), (40, 270481), (197, 54920), (394, 27460), (788, 13730), (985, 10984), (1373, 7880), (1576, 6865), (1970, 5492), (2746, 3940)]