81648760

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{24593}}^1$

素因数の和:24687

約数の個数: 32

約数和(自身を含む): 185930640

約数和(自身を除く): 104281880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 24593, 49186, 98372, 122965, 196744, 245930, 491860, 983720, 2041219, 4082438, 8164876, 10206095, 16329752, 20412190, 40824380, 81648760]

約数ペア:

[(1, 81648760), (2, 40824380), (4, 20412190), (5, 16329752), (8, 10206095), (10, 8164876), (20, 4082438), (40, 2041219), (83, 983720), (166, 491860), (332, 245930), (415, 196744), (664, 122965), (830, 98372), (1660, 49186), (3320, 24593)]