86991460

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{64919}}^1$

素因数の和:64995

約数の個数: 24

約数和(自身を含む): 185411520

約数和(自身を除く): 98420060

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 64919, 129838, 259676, 324595, 649190, 1298380, 4349573, 8699146, 17398292, 21747865, 43495730, 86991460]

約数ペア:

[(1, 86991460), (2, 43495730), (4, 21747865), (5, 17398292), (10, 8699146), (20, 4349573), (67, 1298380), (134, 649190), (268, 324595), (335, 259676), (670, 129838), (1340, 64919)]