2080666990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1\times {\mathrm{9973}}^1$

素因数の和:10684

約数の個数: 32

約数和(自身を含む): 3872146176

約数和(自身を除く): 1791479186

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 673, 1346, 3365, 6730, 9973, 19946, 20863, 41726, 49865, 99730, 104315, 208630, 309163, 618326, 1545815, 3091630, 6711829, 13423658, 33559145, 67118290, 208066699, 416133398, 1040333495, 2080666990]

約数ペア:

[(1, 2080666990), (2, 1040333495), (5, 416133398), (10, 208066699), (31, 67118290), (62, 33559145), (155, 13423658), (310, 6711829), (673, 3091630), (1346, 1545815), (3365, 618326), (6730, 309163), (9973, 208630), (19946, 104315), (20863, 99730), (41726, 49865)]