11550820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 26209008

約数和(自身を除く): 14658188

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 641, 901, 1060, 1282, 1802, 2564, 3205, 3604, 4505, 6410, 9010, 10897, 12820, 18020, 21794, 33973, 43588, 54485, 67946, 108970, 135892, 169865, 217940, 339730, 577541, 679460, 1155082, 2310164, 2887705, 5775410, 11550820]

約数ペア:

[(1, 11550820), (2, 5775410), (4, 2887705), (5, 2310164), (10, 1155082), (17, 679460), (20, 577541), (34, 339730), (53, 217940), (68, 169865), (85, 135892), (106, 108970), (170, 67946), (212, 54485), (265, 43588), (340, 33973), (530, 21794), (641, 18020), (901, 12820), (1060, 10897), (1282, 9010), (1802, 6410), (2564, 4505), (3205, 3604)]