12864200

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 30198960

約数和(自身を除く): 17334760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 491, 524, 655, 982, 1048, 1310, 1964, 2455, 2620, 3275, 3928, 4910, 5240, 6550, 9820, 12275, 13100, 19640, 24550, 26200, 49100, 64321, 98200, 128642, 257284, 321605, 514568, 643210, 1286420, 1608025, 2572840, 3216050, 6432100, 12864200]

約数ペア:

[(1, 12864200), (2, 6432100), (4, 3216050), (5, 2572840), (8, 1608025), (10, 1286420), (20, 643210), (25, 514568), (40, 321605), (50, 257284), (100, 128642), (131, 98200), (200, 64321), (262, 49100), (491, 26200), (524, 24550), (655, 19640), (982, 13100), (1048, 12275), (1310, 9820), (1964, 6550), (2455, 5240), (2620, 4910), (3275, 3928)]