80784016

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{601}}^1$

素因数の和:911

約数の個数: 40

約数和(自身を含む): 162434048

約数和(自身を除く): 81650032

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 271, 496, 542, 601, 1084, 1202, 2168, 2404, 4336, 4808, 8401, 9616, 16802, 18631, 33604, 37262, 67208, 74524, 134416, 149048, 162871, 298096, 325742, 651484, 1302968, 2605936, 5049001, 10098002, 20196004, 40392008, 80784016]

約数ペア:

[(1, 80784016), (2, 40392008), (4, 20196004), (8, 10098002), (16, 5049001), (31, 2605936), (62, 1302968), (124, 651484), (248, 325742), (271, 298096), (496, 162871), (542, 149048), (601, 134416), (1084, 74524), (1202, 67208), (2168, 37262), (2404, 33604), (4336, 18631), (4808, 16802), (8401, 9616)]