54840520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2683}}^1$

素因数の和:2774

約数の個数: 64

約数和(自身を含む): 143003520

約数和(自身を除く): 88163000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2683, 2920, 4088, 5110, 5366, 10220, 10732, 13415, 18781, 20440, 21464, 26830, 37562, 53660, 75124, 93905, 107320, 150248, 187810, 195859, 375620, 391718, 751240, 783436, 979295, 1371013, 1566872, 1958590, 2742026, 3917180, 5484052, 6855065, 7834360, 10968104, 13710130, 27420260, 54840520]

約数ペア:

[(1, 54840520), (2, 27420260), (4, 13710130), (5, 10968104), (7, 7834360), (8, 6855065), (10, 5484052), (14, 3917180), (20, 2742026), (28, 1958590), (35, 1566872), (40, 1371013), (56, 979295), (70, 783436), (73, 751240), (140, 391718), (146, 375620), (280, 195859), (292, 187810), (365, 150248), (511, 107320), (584, 93905), (730, 75124), (1022, 53660), (1460, 37562), (2044, 26830), (2555, 21464), (2683, 20440), (2920, 18781), (4088, 13415), (5110, 10732), (5366, 10220)]