128391040

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2417}}^1$

素因数の和:2519

約数の個数: 64

約数和(自身を含む): 310761360

約数和(自身を除く): 182370320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 320, 332, 415, 640, 664, 830, 1328, 1660, 2417, 2656, 3320, 4834, 5312, 6640, 9668, 10624, 12085, 13280, 19336, 24170, 26560, 38672, 48340, 53120, 77344, 96680, 154688, 193360, 200611, 309376, 386720, 401222, 773440, 802444, 1003055, 1546880, 1604888, 2006110, 3209776, 4012220, 6419552, 8024440, 12839104, 16048880, 25678208, 32097760, 64195520, 128391040]

約数ペア:

[(1, 128391040), (2, 64195520), (4, 32097760), (5, 25678208), (8, 16048880), (10, 12839104), (16, 8024440), (20, 6419552), (32, 4012220), (40, 3209776), (64, 2006110), (80, 1604888), (83, 1546880), (128, 1003055), (160, 802444), (166, 773440), (320, 401222), (332, 386720), (415, 309376), (640, 200611), (664, 193360), (830, 154688), (1328, 96680), (1660, 77344), (2417, 53120), (2656, 48340), (3320, 38672), (4834, 26560), (5312, 24170), (6640, 19336), (9668, 13280), (10624, 12085)]