13721440120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4831493}}^1$

素因数の和:4831575

約数の個数: 32

約数和(自身を含む): 31308081120

約数和(自身を除く): 17586641000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4831493, 9662986, 19325972, 24157465, 38651944, 48314930, 96629860, 193259720, 343036003, 686072006, 1372144012, 1715180015, 2744288024, 3430360030, 6860720060, 13721440120]

約数ペア:

[(1, 13721440120), (2, 6860720060), (4, 3430360030), (5, 2744288024), (8, 1715180015), (10, 1372144012), (20, 686072006), (40, 343036003), (71, 193259720), (142, 96629860), (284, 48314930), (355, 38651944), (568, 24157465), (710, 19325972), (1420, 9662986), (2840, 4831493)]