28677282800

素因数分解:

$2^4\times 5^2\times {\mathrm{71693207}}^1$

素因数の和:71693225

約数の個数: 30

約数和(自身を含む): 68897172888

約数和(自身を除く): 40219890088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 71693207, 143386414, 286772828, 358466035, 573545656, 716932070, 1147091312, 1433864140, 1792330175, 2867728280, 3584660350, 5735456560, 7169320700, 14338641400, 28677282800]

約数ペア:

[(1, 28677282800), (2, 14338641400), (4, 7169320700), (5, 5735456560), (8, 3584660350), (10, 2867728280), (16, 1792330175), (20, 1433864140), (25, 1147091312), (40, 716932070), (50, 573545656), (80, 358466035), (100, 286772828), (200, 143386414), (400, 71693207)]