120556280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{231839}}^1$

素因数の和:231863

約数の個数: 32

約数和(自身を含む): 292118400

約数和(自身を除く): 171562120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 231839, 463678, 927356, 1159195, 1854712, 2318390, 3013907, 4636780, 6027814, 9273560, 12055628, 15069535, 24111256, 30139070, 60278140, 120556280]

約数ペア:

[(1, 120556280), (2, 60278140), (4, 30139070), (5, 24111256), (8, 15069535), (10, 12055628), (13, 9273560), (20, 6027814), (26, 4636780), (40, 3013907), (52, 2318390), (65, 1854712), (104, 1159195), (130, 927356), (260, 463678), (520, 231839)]