42785980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1979}}^1$

素因数の和:2058

約数の個数: 48

約数和(自身を含む): 95800320

約数和(自身を除く): 53014340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 1979, 2162, 3958, 4324, 5405, 7916, 9895, 10810, 19790, 21620, 39580, 45517, 91034, 93013, 182068, 186026, 227585, 372052, 455170, 465065, 910340, 930130, 1860260, 2139299, 4278598, 8557196, 10696495, 21392990, 42785980]

約数ペア:

[(1, 42785980), (2, 21392990), (4, 10696495), (5, 8557196), (10, 4278598), (20, 2139299), (23, 1860260), (46, 930130), (47, 910340), (92, 465065), (94, 455170), (115, 372052), (188, 227585), (230, 186026), (235, 182068), (460, 93013), (470, 91034), (940, 45517), (1081, 39580), (1979, 21620), (2162, 19790), (3958, 10810), (4324, 9895), (5405, 7916)]