4200860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 9313920

約数和(自身を除く): 5113060

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 109, 164, 188, 205, 218, 235, 410, 436, 470, 545, 820, 940, 1090, 1927, 2180, 3854, 4469, 5123, 7708, 8938, 9635, 10246, 17876, 19270, 20492, 22345, 25615, 38540, 44690, 51230, 89380, 102460, 210043, 420086, 840172, 1050215, 2100430, 4200860]

約数ペア:

[(1, 4200860), (2, 2100430), (4, 1050215), (5, 840172), (10, 420086), (20, 210043), (41, 102460), (47, 89380), (82, 51230), (94, 44690), (109, 38540), (164, 25615), (188, 22345), (205, 20492), (218, 19270), (235, 17876), (410, 10246), (436, 9635), (470, 8938), (545, 7708), (820, 5123), (940, 4469), (1090, 3854), (1927, 2180)]