161442080

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9257}}^1$

素因数の和:9381

約数の個数: 48

約数和(自身を含む): 384947640

約数和(自身を除く): 223505560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 8720, 9257, 17440, 18514, 37028, 46285, 74056, 92570, 148112, 185140, 296224, 370280, 740560, 1009013, 1481120, 2018026, 4036052, 5045065, 8072104, 10090130, 16144208, 20180260, 32288416, 40360520, 80721040, 161442080]

約数ペア:

[(1, 161442080), (2, 80721040), (4, 40360520), (5, 32288416), (8, 20180260), (10, 16144208), (16, 10090130), (20, 8072104), (32, 5045065), (40, 4036052), (80, 2018026), (109, 1481120), (160, 1009013), (218, 740560), (436, 370280), (545, 296224), (872, 185140), (1090, 148112), (1744, 92570), (2180, 74056), (3488, 46285), (4360, 37028), (8720, 18514), (9257, 17440)]