4428820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 10414656

約数和(自身を除く): 5985836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 491, 820, 902, 982, 1804, 1964, 2255, 2455, 4510, 4910, 5401, 9020, 9820, 10802, 20131, 21604, 27005, 40262, 54010, 80524, 100655, 108020, 201310, 221441, 402620, 442882, 885764, 1107205, 2214410, 4428820]

約数ペア:

[(1, 4428820), (2, 2214410), (4, 1107205), (5, 885764), (10, 442882), (11, 402620), (20, 221441), (22, 201310), (41, 108020), (44, 100655), (55, 80524), (82, 54010), (110, 40262), (164, 27005), (205, 21604), (220, 20131), (410, 10802), (451, 9820), (491, 9020), (820, 5401), (902, 4910), (982, 4510), (1804, 2455), (1964, 2255)]