68746840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55441}}^1$

素因数の和:55483

約数の個数: 32

約数和(自身を含む): 159672960

約数和(自身を除く): 90926120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 55441, 110882, 221764, 277205, 443528, 554410, 1108820, 1718671, 2217640, 3437342, 6874684, 8593355, 13749368, 17186710, 34373420, 68746840]

約数ペア:

[(1, 68746840), (2, 34373420), (4, 17186710), (5, 13749368), (8, 8593355), (10, 6874684), (20, 3437342), (31, 2217640), (40, 1718671), (62, 1108820), (124, 554410), (155, 443528), (248, 277205), (310, 221764), (620, 110882), (1240, 55441)]