4020640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1933}}^1$

素因数の和:1961

約数の個数: 48

約数和(自身を含む): 10234728

約数和(自身を除く): 6214088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 1933, 2080, 3866, 7732, 9665, 15464, 19330, 25129, 30928, 38660, 50258, 61856, 77320, 100516, 125645, 154640, 201032, 251290, 309280, 402064, 502580, 804128, 1005160, 2010320, 4020640]

約数ペア:

[(1, 4020640), (2, 2010320), (4, 1005160), (5, 804128), (8, 502580), (10, 402064), (13, 309280), (16, 251290), (20, 201032), (26, 154640), (32, 125645), (40, 100516), (52, 77320), (65, 61856), (80, 50258), (104, 38660), (130, 30928), (160, 25129), (208, 19330), (260, 15464), (416, 9665), (520, 7732), (1040, 3866), (1933, 2080)]