77529680

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10889}}^1$

素因数の和:10991

約数の個数: 40

約数和(自身を含む): 182298600

約数和(自身を除く): 104768920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 10889, 21778, 43556, 54445, 87112, 108890, 174224, 217780, 435560, 871120, 969121, 1938242, 3876484, 4845605, 7752968, 9691210, 15505936, 19382420, 38764840, 77529680]

約数ペア:

[(1, 77529680), (2, 38764840), (4, 19382420), (5, 15505936), (8, 9691210), (10, 7752968), (16, 4845605), (20, 3876484), (40, 1938242), (80, 969121), (89, 871120), (178, 435560), (356, 217780), (445, 174224), (712, 108890), (890, 87112), (1424, 54445), (1780, 43556), (3560, 21778), (7120, 10889)]