20000320

素因数分解:

$2^6\times 5^1\times {\mathrm{62501}}^1$

素因数の和:62518

約数の個数: 28

約数和(自身を含む): 47626524

約数和(自身を除く): 27626204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62501, 125002, 250004, 312505, 500008, 625010, 1000016, 1250020, 2000032, 2500040, 4000064, 5000080, 10000160, 20000320]

約数ペア:

[(1, 20000320), (2, 10000160), (4, 5000080), (5, 4000064), (8, 2500040), (10, 2000032), (16, 1250020), (20, 1000016), (32, 625010), (40, 500008), (64, 312505), (80, 250004), (160, 125002), (320, 62501)]