12509860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{563}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 28994112

約数和(自身を除く): 16484252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 563, 1010, 1111, 1126, 2020, 2222, 2252, 2815, 4444, 5555, 5630, 6193, 11110, 11260, 12386, 22220, 24772, 30965, 56863, 61930, 113726, 123860, 227452, 284315, 568630, 625493, 1137260, 1250986, 2501972, 3127465, 6254930, 12509860]

約数ペア:

[(1, 12509860), (2, 6254930), (4, 3127465), (5, 2501972), (10, 1250986), (11, 1137260), (20, 625493), (22, 568630), (44, 284315), (55, 227452), (101, 123860), (110, 113726), (202, 61930), (220, 56863), (404, 30965), (505, 24772), (563, 22220), (1010, 12386), (1111, 11260), (1126, 11110), (2020, 6193), (2222, 5630), (2252, 5555), (2815, 4444)]