2048791880

素因数分解:

$2^3\times 5^1\times {\mathrm{2423}}^1\times {\mathrm{21139}}^1$

素因数の和:23573

約数の個数: 32

約数和(自身を含む): 4611902400

約数和(自身を除く): 2563110520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2423, 4846, 9692, 12115, 19384, 21139, 24230, 42278, 48460, 84556, 96920, 105695, 169112, 211390, 422780, 845560, 51219797, 102439594, 204879188, 256098985, 409758376, 512197970, 1024395940, 2048791880]

約数ペア:

[(1, 2048791880), (2, 1024395940), (4, 512197970), (5, 409758376), (8, 256098985), (10, 204879188), (20, 102439594), (40, 51219797), (2423, 845560), (4846, 422780), (9692, 211390), (12115, 169112), (19384, 105695), (21139, 96920), (24230, 84556), (42278, 48460)]