38864920

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2423}}^1$

素因数の和:2835

約数の個数: 32

約数和(自身を含む): 87700320

約数和(自身を除く): 48835400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 2423, 3208, 4010, 4846, 8020, 9692, 12115, 16040, 19384, 24230, 48460, 96920, 971623, 1943246, 3886492, 4858115, 7772984, 9716230, 19432460, 38864920]

約数ペア:

[(1, 38864920), (2, 19432460), (4, 9716230), (5, 7772984), (8, 4858115), (10, 3886492), (20, 1943246), (40, 971623), (401, 96920), (802, 48460), (1604, 24230), (2005, 19384), (2423, 16040), (3208, 12115), (4010, 9692), (4846, 8020)]