77303120

素因数分解:

$2^4\times 5^1\times {\mathrm{983}}^2$

素因数の和:1979

約数の個数: 30

約数和(自身を含む): 179912778

約数和(自身を除く): 102609658

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 983, 1966, 3932, 4915, 7864, 9830, 15728, 19660, 39320, 78640, 966289, 1932578, 3865156, 4831445, 7730312, 9662890, 15460624, 19325780, 38651560, 77303120]

約数ペア:

[(1, 77303120), (2, 38651560), (4, 19325780), (5, 15460624), (8, 9662890), (10, 7730312), (16, 4831445), (20, 3865156), (40, 1932578), (80, 966289), (983, 78640), (1966, 39320), (3932, 19660), (4915, 15728), (7864, 9830)]