85879760

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7723}}^1$

素因数の和:7875

約数の個数: 40

約数和(自身を含む): 201132960

約数和(自身を除く): 115253200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 7723, 11120, 15446, 30892, 38615, 61784, 77230, 123568, 154460, 308920, 617840, 1073497, 2146994, 4293988, 5367485, 8587976, 10734970, 17175952, 21469940, 42939880, 85879760]

約数ペア:

[(1, 85879760), (2, 42939880), (4, 21469940), (5, 17175952), (8, 10734970), (10, 8587976), (16, 5367485), (20, 4293988), (40, 2146994), (80, 1073497), (139, 617840), (278, 308920), (556, 154460), (695, 123568), (1112, 77230), (1390, 61784), (2224, 38615), (2780, 30892), (5560, 15446), (7723, 11120)]