80811995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 111297024

約数和(自身を除く): 30485029

約数列:

[1, 5, 11, 23, 55, 115, 193, 253, 331, 965, 1265, 1655, 2123, 3641, 4439, 7613, 10615, 18205, 22195, 38065, 48829, 63883, 83743, 244145, 319415, 418715, 702713, 1469309, 3513565, 7346545, 16162399, 80811995]

約数ペア:

[(1, 80811995), (5, 16162399), (11, 7346545), (23, 3513565), (55, 1469309), (115, 702713), (193, 418715), (253, 319415), (331, 244145), (965, 83743), (1265, 63883), (1655, 48829), (2123, 38065), (3641, 22195), (4439, 18205), (7613, 10615)]