12505240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 31116960

約数和(自身を除く): 18611720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 293, 388, 440, 485, 586, 776, 970, 1067, 1172, 1465, 1940, 2134, 2344, 2930, 3223, 3880, 4268, 5335, 5860, 6446, 8536, 10670, 11720, 12892, 16115, 21340, 25784, 28421, 32230, 42680, 56842, 64460, 113684, 128920, 142105, 227368, 284210, 312631, 568420, 625262, 1136840, 1250524, 1563155, 2501048, 3126310, 6252620, 12505240]

約数ペア:

[(1, 12505240), (2, 6252620), (4, 3126310), (5, 2501048), (8, 1563155), (10, 1250524), (11, 1136840), (20, 625262), (22, 568420), (40, 312631), (44, 284210), (55, 227368), (88, 142105), (97, 128920), (110, 113684), (194, 64460), (220, 56842), (293, 42680), (388, 32230), (440, 28421), (485, 25784), (586, 21340), (776, 16115), (970, 12892), (1067, 11720), (1172, 10670), (1465, 8536), (1940, 6446), (2134, 5860), (2344, 5335), (2930, 4268), (3223, 3880)]