7241680

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:835

約数の個数: 40

約数和(自身を含む): 16989984

約数和(自身を除く): 9748304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 691, 1048, 1310, 1382, 2096, 2620, 2764, 3455, 5240, 5528, 6910, 10480, 11056, 13820, 27640, 55280, 90521, 181042, 362084, 452605, 724168, 905210, 1448336, 1810420, 3620840, 7241680]

約数ペア:

[(1, 7241680), (2, 3620840), (4, 1810420), (5, 1448336), (8, 905210), (10, 724168), (16, 452605), (20, 362084), (40, 181042), (80, 90521), (131, 55280), (262, 27640), (524, 13820), (655, 11056), (691, 10480), (1048, 6910), (1310, 5528), (1382, 5240), (2096, 3455), (2620, 2764)]