27940240

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1123}}^1$

素因数の和:1447

約数の個数: 40

約数和(自身を含む): 65227968

約数和(自身を除く): 37287728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1123, 1244, 1555, 2246, 2488, 3110, 4492, 4976, 5615, 6220, 8984, 11230, 12440, 17968, 22460, 24880, 44920, 89840, 349253, 698506, 1397012, 1746265, 2794024, 3492530, 5588048, 6985060, 13970120, 27940240]

約数ペア:

[(1, 27940240), (2, 13970120), (4, 6985060), (5, 5588048), (8, 3492530), (10, 2794024), (16, 1746265), (20, 1397012), (40, 698506), (80, 349253), (311, 89840), (622, 44920), (1123, 24880), (1244, 22460), (1555, 17968), (2246, 12440), (2488, 11230), (3110, 8984), (4492, 6220), (4976, 5615)]