64300400

素因数分解:

$2^4\times 5^2\times {\mathrm{160751}}^1$

素因数の和:160769

約数の個数: 30

約数和(自身を含む): 154482672

約数和(自身を除く): 90182272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 160751, 321502, 643004, 803755, 1286008, 1607510, 2572016, 3215020, 4018775, 6430040, 8037550, 12860080, 16075100, 32150200, 64300400]

約数ペア:

[(1, 64300400), (2, 32150200), (4, 16075100), (5, 12860080), (8, 8037550), (10, 6430040), (16, 4018775), (20, 3215020), (25, 2572016), (40, 1607510), (50, 1286008), (80, 803755), (100, 643004), (200, 321502), (400, 160751)]