71742280

素因数分解:

$2^3\times 5^1\times {\mathrm{1187}}^1\times {\mathrm{1511}}^1$

素因数の和:2709

約数の個数: 32

約数和(自身を含む): 161663040

約数和(自身を除く): 89920760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1187, 1511, 2374, 3022, 4748, 5935, 6044, 7555, 9496, 11870, 12088, 15110, 23740, 30220, 47480, 60440, 1793557, 3587114, 7174228, 8967785, 14348456, 17935570, 35871140, 71742280]

約数ペア:

[(1, 71742280), (2, 35871140), (4, 17935570), (5, 14348456), (8, 8967785), (10, 7174228), (20, 3587114), (40, 1793557), (1187, 60440), (1511, 47480), (2374, 30220), (3022, 23740), (4748, 15110), (5935, 12088), (6044, 11870), (7555, 9496)]