80480210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{1217}}^1$

素因数の和:1630

約数の個数: 32

約数和(自身を含む): 153906480

約数和(自身を除く): 73426270

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 389, 778, 1217, 1945, 2434, 3890, 6085, 6613, 12170, 13226, 20689, 33065, 41378, 66130, 103445, 206890, 473413, 946826, 2367065, 4734130, 8048021, 16096042, 40240105, 80480210]

約数ペア:

[(1, 80480210), (2, 40240105), (5, 16096042), (10, 8048021), (17, 4734130), (34, 2367065), (85, 946826), (170, 473413), (389, 206890), (778, 103445), (1217, 66130), (1945, 41378), (2434, 33065), (3890, 20689), (6085, 13226), (6613, 12170)]