78914240

素因数分解:

$2^6\times 5^1\times {\mathrm{246607}}^1$

素因数の和:246624

約数の個数: 28

約数和(自身を含む): 187915296

約数和(自身を除く): 109001056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 246607, 493214, 986428, 1233035, 1972856, 2466070, 3945712, 4932140, 7891424, 9864280, 15782848, 19728560, 39457120, 78914240]

約数ペア:

[(1, 78914240), (2, 39457120), (4, 19728560), (5, 15782848), (8, 9864280), (10, 7891424), (16, 4932140), (20, 3945712), (32, 2466070), (40, 1972856), (64, 1233035), (80, 986428), (160, 493214), (320, 246607)]