54777250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19919}}^1$

素因数の和:19947

約数の個数: 32

約数和(自身を含む): 111870720

約数和(自身を除く): 57093470

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 19919, 39838, 99595, 199190, 219109, 438218, 497975, 995950, 1095545, 2191090, 2489875, 4979750, 5477725, 10955450, 27388625, 54777250]

約数ペア:

[(1, 54777250), (2, 27388625), (5, 10955450), (10, 5477725), (11, 4979750), (22, 2489875), (25, 2191090), (50, 1095545), (55, 995950), (110, 497975), (125, 438218), (250, 219109), (275, 199190), (550, 99595), (1375, 39838), (2750, 19919)]