81140830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{25121}}^1$

素因数の和:25164

約数の個数: 32

約数和(自身を含む): 162790560

約数和(自身を除く): 81649730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 25121, 50242, 125605, 251210, 427057, 477299, 854114, 954598, 2135285, 2386495, 4270570, 4772990, 8114083, 16228166, 40570415, 81140830]

約数ペア:

[(1, 81140830), (2, 40570415), (5, 16228166), (10, 8114083), (17, 4772990), (19, 4270570), (34, 2386495), (38, 2135285), (85, 954598), (95, 854114), (170, 477299), (190, 427057), (323, 251210), (646, 125605), (1615, 50242), (3230, 25121)]