87098540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 187971840

約数和(自身を除く): 100873300

約数列:

[1, 2, 4, 5, 10, 20, 71, 83, 142, 166, 284, 332, 355, 415, 710, 739, 830, 1420, 1478, 1660, 2956, 3695, 5893, 7390, 11786, 14780, 23572, 29465, 52469, 58930, 61337, 104938, 117860, 122674, 209876, 245348, 262345, 306685, 524690, 613370, 1049380, 1226740, 4354927, 8709854, 17419708, 21774635, 43549270, 87098540]

約数ペア:

[(1, 87098540), (2, 43549270), (4, 21774635), (5, 17419708), (10, 8709854), (20, 4354927), (71, 1226740), (83, 1049380), (142, 613370), (166, 524690), (284, 306685), (332, 262345), (355, 245348), (415, 209876), (710, 122674), (739, 117860), (830, 104938), (1420, 61337), (1478, 58930), (1660, 52469), (2956, 29465), (3695, 23572), (5893, 14780), (7390, 11786)]