16840340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1867}}^1$

素因数の和:1928

約数の個数: 48

約数和(自身を含む): 39541824

約数和(自身を除く): 22701484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 1867, 2255, 3734, 4510, 7468, 9020, 9335, 18670, 20537, 37340, 41074, 76547, 82148, 102685, 153094, 205370, 306188, 382735, 410740, 765470, 842017, 1530940, 1684034, 3368068, 4210085, 8420170, 16840340]

約数ペア:

[(1, 16840340), (2, 8420170), (4, 4210085), (5, 3368068), (10, 1684034), (11, 1530940), (20, 842017), (22, 765470), (41, 410740), (44, 382735), (55, 306188), (82, 205370), (110, 153094), (164, 102685), (205, 82148), (220, 76547), (410, 41074), (451, 37340), (820, 20537), (902, 18670), (1804, 9335), (1867, 9020), (2255, 7468), (3734, 4510)]