121135820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{35839}}^1$

素因数の和:35874

約数の個数: 36

約数和(自身を含む): 275466240

約数和(自身を除く): 154330420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 35839, 71678, 143356, 179195, 358390, 465907, 716780, 931814, 1863628, 2329535, 4659070, 6056791, 9318140, 12113582, 24227164, 30283955, 60567910, 121135820]

約数ペア:

[(1, 121135820), (2, 60567910), (4, 30283955), (5, 24227164), (10, 12113582), (13, 9318140), (20, 6056791), (26, 4659070), (52, 2329535), (65, 1863628), (130, 931814), (169, 716780), (260, 465907), (338, 358390), (676, 179195), (845, 143356), (1690, 71678), (3380, 35839)]