87830480

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5573}}^1$

素因数の和:5783

約数の個数: 40

約数和(自身を含む): 205279272

約数和(自身を除く): 117448792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 5573, 7880, 11146, 15760, 22292, 27865, 44584, 55730, 89168, 111460, 222920, 445840, 1097881, 2195762, 4391524, 5489405, 8783048, 10978810, 17566096, 21957620, 43915240, 87830480]

約数ペア:

[(1, 87830480), (2, 43915240), (4, 21957620), (5, 17566096), (8, 10978810), (10, 8783048), (16, 5489405), (20, 4391524), (40, 2195762), (80, 1097881), (197, 445840), (394, 222920), (788, 111460), (985, 89168), (1576, 55730), (1970, 44584), (3152, 27865), (3940, 22292), (5573, 15760), (7880, 11146)]