64681900

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{7793}}^1$

素因数の和:7890

約数の個数: 36

約数和(自身を含む): 142069032

約数和(自身を除く): 77387132

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 332, 415, 830, 1660, 2075, 4150, 7793, 8300, 15586, 31172, 38965, 77930, 155860, 194825, 389650, 646819, 779300, 1293638, 2587276, 3234095, 6468190, 12936380, 16170475, 32340950, 64681900]

約数ペア:

[(1, 64681900), (2, 32340950), (4, 16170475), (5, 12936380), (10, 6468190), (20, 3234095), (25, 2587276), (50, 1293638), (83, 779300), (100, 646819), (166, 389650), (332, 194825), (415, 155860), (830, 77930), (1660, 38965), (2075, 31172), (4150, 15586), (7793, 8300)]