89086480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{619}}^1$

素因数の和:896

約数の個数: 80

約数和(自身を含む): 238020480

約数和(自身を除く): 148934000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 257, 280, 514, 560, 619, 1028, 1238, 1285, 1799, 2056, 2476, 2570, 3095, 3598, 4112, 4333, 4952, 5140, 6190, 7196, 8666, 8995, 9904, 10280, 12380, 14392, 17332, 17990, 20560, 21665, 24760, 28784, 34664, 35980, 43330, 49520, 69328, 71960, 86660, 143920, 159083, 173320, 318166, 346640, 636332, 795415, 1113581, 1272664, 1590830, 2227162, 2545328, 3181660, 4454324, 5567905, 6363320, 8908648, 11135810, 12726640, 17817296, 22271620, 44543240, 89086480]

約数ペア:

[(1, 89086480), (2, 44543240), (4, 22271620), (5, 17817296), (7, 12726640), (8, 11135810), (10, 8908648), (14, 6363320), (16, 5567905), (20, 4454324), (28, 3181660), (35, 2545328), (40, 2227162), (56, 1590830), (70, 1272664), (80, 1113581), (112, 795415), (140, 636332), (257, 346640), (280, 318166), (514, 173320), (560, 159083), (619, 143920), (1028, 86660), (1238, 71960), (1285, 69328), (1799, 49520), (2056, 43330), (2476, 35980), (2570, 34664), (3095, 28784), (3598, 24760), (4112, 21665), (4333, 20560), (4952, 17990), (5140, 17332), (6190, 14392), (7196, 12380), (8666, 10280), (8995, 9904)]