51916280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99839}}^1$

素因数の和:99863

約数の個数: 32

約数和(自身を含む): 125798400

約数和(自身を除く): 73882120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 99839, 199678, 399356, 499195, 798712, 998390, 1297907, 1996780, 2595814, 3993560, 5191628, 6489535, 10383256, 12979070, 25958140, 51916280]

約数ペア:

[(1, 51916280), (2, 25958140), (4, 12979070), (5, 10383256), (8, 6489535), (10, 5191628), (13, 3993560), (20, 2595814), (26, 1996780), (40, 1297907), (52, 998390), (65, 798712), (104, 499195), (130, 399356), (260, 199678), (520, 99839)]