86601580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{839}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 196580160

約数和(自身を除く): 109978580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 397, 794, 839, 1588, 1678, 1985, 3356, 3970, 4195, 5161, 7940, 8390, 10322, 10907, 16780, 20644, 21814, 25805, 43628, 51610, 54535, 103220, 109070, 218140, 333083, 666166, 1332332, 1665415, 3330830, 4330079, 6661660, 8660158, 17320316, 21650395, 43300790, 86601580]

約数ペア:

[(1, 86601580), (2, 43300790), (4, 21650395), (5, 17320316), (10, 8660158), (13, 6661660), (20, 4330079), (26, 3330830), (52, 1665415), (65, 1332332), (130, 666166), (260, 333083), (397, 218140), (794, 109070), (839, 103220), (1588, 54535), (1678, 51610), (1985, 43628), (3356, 25805), (3970, 21814), (4195, 20644), (5161, 16780), (7940, 10907), (8390, 10322)]