51551680

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2269}}^1$

素因数の和:2357

約数の個数: 56

約数和(自身を含む): 124541280

約数和(自身を除く): 72989600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2269, 2272, 2840, 4538, 4544, 5680, 9076, 11345, 11360, 18152, 22690, 22720, 36304, 45380, 72608, 90760, 145216, 161099, 181520, 322198, 363040, 644396, 726080, 805495, 1288792, 1610990, 2577584, 3221980, 5155168, 6443960, 10310336, 12887920, 25775840, 51551680]

約数ペア:

[(1, 51551680), (2, 25775840), (4, 12887920), (5, 10310336), (8, 6443960), (10, 5155168), (16, 3221980), (20, 2577584), (32, 1610990), (40, 1288792), (64, 805495), (71, 726080), (80, 644396), (142, 363040), (160, 322198), (284, 181520), (320, 161099), (355, 145216), (568, 90760), (710, 72608), (1136, 45380), (1420, 36304), (2269, 22720), (2272, 22690), (2840, 18152), (4538, 11360), (4544, 11345), (5680, 9076)]