2227791880

素因数分解:

$2^3\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{39139}}^1$

素因数の和:40573

約数の個数: 32

約数和(自身を含む): 5016182400

約数和(自身を除く): 2788390520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1423, 2846, 5692, 7115, 11384, 14230, 28460, 39139, 56920, 78278, 156556, 195695, 313112, 391390, 782780, 1565560, 55694797, 111389594, 222779188, 278473985, 445558376, 556947970, 1113895940, 2227791880]

約数ペア:

[(1, 2227791880), (2, 1113895940), (4, 556947970), (5, 445558376), (8, 278473985), (10, 222779188), (20, 111389594), (40, 55694797), (1423, 1565560), (2846, 782780), (5692, 391390), (7115, 313112), (11384, 195695), (14230, 156556), (28460, 78278), (39139, 56920)]