21328045120

素因数分解:

$2^6\times 5^1\times {\mathrm{66650141}}^1$

素因数の和:66650158

約数の個数: 28

約数和(自身を含む): 50787408204

約数和(自身を除く): 29459363084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 66650141, 133300282, 266600564, 333250705, 533201128, 666501410, 1066402256, 1333002820, 2132804512, 2666005640, 4265609024, 5332011280, 10664022560, 21328045120]

約数ペア:

[(1, 21328045120), (2, 10664022560), (4, 5332011280), (5, 4265609024), (8, 2666005640), (10, 2132804512), (16, 1333002820), (20, 1066402256), (32, 666501410), (40, 533201128), (64, 333250705), (80, 266600564), (160, 133300282), (320, 66650141)]