30486320

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2909}}^1$

素因数の和:3053

約数の個数: 40

約数和(自身を含む): 71446320

約数和(自身を除く): 40960000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 2909, 5240, 5818, 10480, 11636, 14545, 23272, 29090, 46544, 58180, 116360, 232720, 381079, 762158, 1524316, 1905395, 3048632, 3810790, 6097264, 7621580, 15243160, 30486320]

約数ペア:

[(1, 30486320), (2, 15243160), (4, 7621580), (5, 6097264), (8, 3810790), (10, 3048632), (16, 1905395), (20, 1524316), (40, 762158), (80, 381079), (131, 232720), (262, 116360), (524, 58180), (655, 46544), (1048, 29090), (1310, 23272), (2096, 14545), (2620, 11636), (2909, 10480), (5240, 5818)]