80120368

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{991}}^1$

素因数の和:1193

約数の個数: 40

約数和(自身を含む): 161386496

約数和(自身を除く): 81266128

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 163, 248, 326, 496, 652, 991, 1304, 1982, 2608, 3964, 5053, 7928, 10106, 15856, 20212, 30721, 40424, 61442, 80848, 122884, 161533, 245768, 323066, 491536, 646132, 1292264, 2584528, 5007523, 10015046, 20030092, 40060184, 80120368]

約数ペア:

[(1, 80120368), (2, 40060184), (4, 20030092), (8, 10015046), (16, 5007523), (31, 2584528), (62, 1292264), (124, 646132), (163, 491536), (248, 323066), (326, 245768), (496, 161533), (652, 122884), (991, 80848), (1304, 61442), (1982, 40424), (2608, 30721), (3964, 20212), (5053, 15856), (7928, 10106)]