86974840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{70141}}^1$

素因数の和:70183

約数の個数: 32

約数和(自身を含む): 202008960

約数和(自身を除く): 115034120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 70141, 140282, 280564, 350705, 561128, 701410, 1402820, 2174371, 2805640, 4348742, 8697484, 10871855, 17394968, 21743710, 43487420, 86974840]

約数ペア:

[(1, 86974840), (2, 43487420), (4, 21743710), (5, 17394968), (8, 10871855), (10, 8697484), (20, 4348742), (31, 2805640), (40, 2174371), (62, 1402820), (124, 701410), (155, 561128), (248, 350705), (310, 280564), (620, 140282), (1240, 70141)]