81536700680

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1\times {\mathrm{44201}}^1$

素因数の和:44750

約数の個数: 64

約数和(自身を含む): 185605966080

約数和(自身を除く): 104069265400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 431, 535, 856, 862, 1070, 1724, 2140, 2155, 3448, 4280, 4310, 8620, 17240, 44201, 46117, 88402, 92234, 176804, 184468, 221005, 230585, 353608, 368936, 442010, 461170, 884020, 922340, 1768040, 1844680, 4729507, 9459014, 18918028, 19050631, 23647535, 37836056, 38101262, 47295070, 76202524, 94590140, 95253155, 152405048, 189180280, 190506310, 381012620, 762025240, 2038417517, 4076835034, 8153670068, 10192087585, 16307340136, 20384175170, 40768350340, 81536700680]

約数ペア:

[(1, 81536700680), (2, 40768350340), (4, 20384175170), (5, 16307340136), (8, 10192087585), (10, 8153670068), (20, 4076835034), (40, 2038417517), (107, 762025240), (214, 381012620), (428, 190506310), (431, 189180280), (535, 152405048), (856, 95253155), (862, 94590140), (1070, 76202524), (1724, 47295070), (2140, 38101262), (2155, 37836056), (3448, 23647535), (4280, 19050631), (4310, 18918028), (8620, 9459014), (17240, 4729507), (44201, 1844680), (46117, 1768040), (88402, 922340), (92234, 884020), (176804, 461170), (184468, 442010), (221005, 368936), (230585, 353608)]