40804010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1117}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 79449552

約数和(自身を除く): 38645542

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 281, 562, 1117, 1405, 2234, 2810, 3653, 5585, 7306, 11170, 14521, 18265, 29042, 36530, 72605, 145210, 313877, 627754, 1569385, 3138770, 4080401, 8160802, 20402005, 40804010]

約数ペア:

[(1, 40804010), (2, 20402005), (5, 8160802), (10, 4080401), (13, 3138770), (26, 1569385), (65, 627754), (130, 313877), (281, 145210), (562, 72605), (1117, 36530), (1405, 29042), (2234, 18265), (2810, 14521), (3653, 11170), (5585, 7306)]