81922360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157543}}^1$

素因数の和:157567

約数の個数: 32

約数和(自身を含む): 198505440

約数和(自身を除く): 116583080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 157543, 315086, 630172, 787715, 1260344, 1575430, 2048059, 3150860, 4096118, 6301720, 8192236, 10240295, 16384472, 20480590, 40961180, 81922360]

約数ペア:

[(1, 81922360), (2, 40961180), (4, 20480590), (5, 16384472), (8, 10240295), (10, 8192236), (13, 6301720), (20, 4096118), (26, 3150860), (40, 2048059), (52, 1575430), (65, 1260344), (104, 787715), (130, 630172), (260, 315086), (520, 157543)]