87379840

素因数分解:

$2^7\times 5^1\times {\mathrm{136531}}^1$

素因数の和:136550

約数の個数: 32

約数和(自身を含む): 208893960

約数和(自身を除く): 121514120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 136531, 273062, 546124, 682655, 1092248, 1365310, 2184496, 2730620, 4368992, 5461240, 8737984, 10922480, 17475968, 21844960, 43689920, 87379840]

約数ペア:

[(1, 87379840), (2, 43689920), (4, 21844960), (5, 17475968), (8, 10922480), (10, 8737984), (16, 5461240), (20, 4368992), (32, 2730620), (40, 2184496), (64, 1365310), (80, 1092248), (128, 682655), (160, 546124), (320, 273062), (640, 136531)]