40321820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26183}}^1$

素因数の和:26210

約数の個数: 48

約数和(自身を含む): 105573888

約数和(自身を除く): 65252068

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 26183, 52366, 104732, 130915, 183281, 261830, 288013, 366562, 523660, 576026, 733124, 916405, 1152052, 1440065, 1832810, 2016091, 2880130, 3665620, 4032182, 5760260, 8064364, 10080455, 20160910, 40321820]

約数ペア:

[(1, 40321820), (2, 20160910), (4, 10080455), (5, 8064364), (7, 5760260), (10, 4032182), (11, 3665620), (14, 2880130), (20, 2016091), (22, 1832810), (28, 1440065), (35, 1152052), (44, 916405), (55, 733124), (70, 576026), (77, 523660), (110, 366562), (140, 288013), (154, 261830), (220, 183281), (308, 130915), (385, 104732), (770, 52366), (1540, 26183)]