268756280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{516839}}^1$

素因数の和:516863

約数の個数: 32

約数和(自身を含む): 651218400

約数和(自身を除く): 382462120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 516839, 1033678, 2067356, 2584195, 4134712, 5168390, 6718907, 10336780, 13437814, 20673560, 26875628, 33594535, 53751256, 67189070, 134378140, 268756280]

約数ペア:

[(1, 268756280), (2, 134378140), (4, 67189070), (5, 53751256), (8, 33594535), (10, 26875628), (13, 20673560), (20, 13437814), (26, 10336780), (40, 6718907), (52, 5168390), (65, 4134712), (104, 2584195), (130, 2067356), (260, 1033678), (520, 516839)]