162840320

素因数分解:

$2^8\times 5^1\times {\mathrm{127219}}^1$

素因数の和:127240

約数の個数: 36

約数和(自身を含む): 390056520

約数和(自身を除く): 227216200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 127219, 254438, 508876, 636095, 1017752, 1272190, 2035504, 2544380, 4071008, 5088760, 8142016, 10177520, 16284032, 20355040, 32568064, 40710080, 81420160, 162840320]

約数ペア:

[(1, 162840320), (2, 81420160), (4, 40710080), (5, 32568064), (8, 20355040), (10, 16284032), (16, 10177520), (20, 8142016), (32, 5088760), (40, 4071008), (64, 2544380), (80, 2035504), (128, 1272190), (160, 1017752), (256, 636095), (320, 508876), (640, 254438), (1280, 127219)]