127947280

素因数分解:

$2^4\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1627}}^1$

素因数の和:2623

約数の個数: 40

約数和(自身を含む): 297963072

約数和(自身を除く): 170015792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 983, 1627, 1966, 3254, 3932, 4915, 6508, 7864, 8135, 9830, 13016, 15728, 16270, 19660, 26032, 32540, 39320, 65080, 78640, 130160, 1599341, 3198682, 6397364, 7996705, 12794728, 15993410, 25589456, 31986820, 63973640, 127947280]

約数ペア:

[(1, 127947280), (2, 63973640), (4, 31986820), (5, 25589456), (8, 15993410), (10, 12794728), (16, 7996705), (20, 6397364), (40, 3198682), (80, 1599341), (983, 130160), (1627, 78640), (1966, 65080), (3254, 39320), (3932, 32540), (4915, 26032), (6508, 19660), (7864, 16270), (8135, 15728), (9830, 13016)]