1979360

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 4762800

約数和(自身を除く): 2783440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 139, 160, 178, 278, 356, 445, 556, 695, 712, 890, 1112, 1390, 1424, 1780, 2224, 2780, 2848, 3560, 4448, 5560, 7120, 11120, 12371, 14240, 22240, 24742, 49484, 61855, 98968, 123710, 197936, 247420, 395872, 494840, 989680, 1979360]

約数ペア:

[(1, 1979360), (2, 989680), (4, 494840), (5, 395872), (8, 247420), (10, 197936), (16, 123710), (20, 98968), (32, 61855), (40, 49484), (80, 24742), (89, 22240), (139, 14240), (160, 12371), (178, 11120), (278, 7120), (356, 5560), (445, 4448), (556, 3560), (695, 2848), (712, 2780), (890, 2224), (1112, 1780), (1390, 1424)]