1388480

素因数分解:

$2^6\times 5^1\times {\mathrm{4339}}^1$

素因数の和:4356

約数の個数: 28

約数和(自身を含む): 3307080

約数和(自身を除く): 1918600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4339, 8678, 17356, 21695, 34712, 43390, 69424, 86780, 138848, 173560, 277696, 347120, 694240, 1388480]

約数ペア:

[(1, 1388480), (2, 694240), (4, 347120), (5, 277696), (8, 173560), (10, 138848), (16, 86780), (20, 69424), (32, 43390), (40, 34712), (64, 21695), (80, 17356), (160, 8678), (320, 4339)]