156919281520

素因数分解:

$2^4\times 5^1\times {\mathrm{17123}}^1\times {\mathrm{114553}}^1$

素因数の和:131689

約数の個数: 40

約数和(自身を含む): 364861821456

約数和(自身を除く): 207942539936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 17123, 34246, 68492, 85615, 114553, 136984, 171230, 229106, 273968, 342460, 458212, 572765, 684920, 916424, 1145530, 1369840, 1832848, 2291060, 4582120, 9164240, 1961491019, 3922982038, 7845964076, 9807455095, 15691928152, 19614910190, 31383856304, 39229820380, 78459640760, 156919281520]

約数ペア:

[(1, 156919281520), (2, 78459640760), (4, 39229820380), (5, 31383856304), (8, 19614910190), (10, 15691928152), (16, 9807455095), (20, 7845964076), (40, 3922982038), (80, 1961491019), (17123, 9164240), (34246, 4582120), (68492, 2291060), (85615, 1832848), (114553, 1369840), (136984, 1145530), (171230, 916424), (229106, 684920), (273968, 572765), (342460, 458212)]