87007840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28621}}^1$

素因数の和:28655

約数の個数: 48

約数和(自身を含む): 216382320

約数和(自身を除く): 129374480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 28621, 57242, 114484, 143105, 228968, 286210, 457936, 543799, 572420, 915872, 1087598, 1144840, 2175196, 2289680, 2718995, 4350392, 4579360, 5437990, 8700784, 10875980, 17401568, 21751960, 43503920, 87007840]

約数ペア:

[(1, 87007840), (2, 43503920), (4, 21751960), (5, 17401568), (8, 10875980), (10, 8700784), (16, 5437990), (19, 4579360), (20, 4350392), (32, 2718995), (38, 2289680), (40, 2175196), (76, 1144840), (80, 1087598), (95, 915872), (152, 572420), (160, 543799), (190, 457936), (304, 286210), (380, 228968), (608, 143105), (760, 114484), (1520, 57242), (3040, 28621)]