23328140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{991}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 53996544

約数和(自身を除く): 30668404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 991, 1070, 1177, 1982, 2140, 2354, 3964, 4708, 4955, 5885, 9910, 10901, 11770, 19820, 21802, 23540, 43604, 54505, 106037, 109010, 212074, 218020, 424148, 530185, 1060370, 1166407, 2120740, 2332814, 4665628, 5832035, 11664070, 23328140]

約数ペア:

[(1, 23328140), (2, 11664070), (4, 5832035), (5, 4665628), (10, 2332814), (11, 2120740), (20, 1166407), (22, 1060370), (44, 530185), (55, 424148), (107, 218020), (110, 212074), (214, 109010), (220, 106037), (428, 54505), (535, 43604), (991, 23540), (1070, 21802), (1177, 19820), (1982, 11770), (2140, 10901), (2354, 9910), (3964, 5885), (4708, 4955)]