13231000

素因数分解:

$2^3\times 5^3\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 31505760

約数和(自身を除く): 18274760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 125, 131, 200, 202, 250, 262, 404, 500, 505, 524, 655, 808, 1000, 1010, 1048, 1310, 2020, 2525, 2620, 3275, 4040, 5050, 5240, 6550, 10100, 12625, 13100, 13231, 16375, 20200, 25250, 26200, 26462, 32750, 50500, 52924, 65500, 66155, 101000, 105848, 131000, 132310, 264620, 330775, 529240, 661550, 1323100, 1653875, 2646200, 3307750, 6615500, 13231000]

約数ペア:

[(1, 13231000), (2, 6615500), (4, 3307750), (5, 2646200), (8, 1653875), (10, 1323100), (20, 661550), (25, 529240), (40, 330775), (50, 264620), (100, 132310), (101, 131000), (125, 105848), (131, 101000), (200, 66155), (202, 65500), (250, 52924), (262, 50500), (404, 32750), (500, 26462), (505, 26200), (524, 25250), (655, 20200), (808, 16375), (1000, 13231), (1010, 13100), (1048, 12625), (1310, 10100), (2020, 6550), (2525, 5240), (2620, 5050), (3275, 4040)]