400804528

素因数分解:

$2^4\times {\mathrm{607}}^1\times {\mathrm{41269}}^1$

素因数の和:41884

約数の個数: 20

約数和(自身を含む): 777856960

約数和(自身を除く): 377052432

約数列:

[1, 2, 4, 8, 16, 607, 1214, 2428, 4856, 9712, 41269, 82538, 165076, 330152, 660304, 25050283, 50100566, 100201132, 200402264, 400804528]

約数ペア:

[(1, 400804528), (2, 200402264), (4, 100201132), (8, 50100566), (16, 25050283), (607, 660304), (1214, 330152), (2428, 165076), (4856, 82538), (9712, 41269)]