124227280

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21871}}^1$

素因数の和:21955

約数の個数: 40

約数和(自身を含む): 292909824

約数和(自身を除く): 168682544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 21871, 43742, 87484, 109355, 174968, 218710, 349936, 437420, 874840, 1552841, 1749680, 3105682, 6211364, 7764205, 12422728, 15528410, 24845456, 31056820, 62113640, 124227280]

約数ペア:

[(1, 124227280), (2, 62113640), (4, 31056820), (5, 24845456), (8, 15528410), (10, 12422728), (16, 7764205), (20, 6211364), (40, 3105682), (71, 1749680), (80, 1552841), (142, 874840), (284, 437420), (355, 349936), (568, 218710), (710, 174968), (1136, 109355), (1420, 87484), (2840, 43742), (5680, 21871)]