8701240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^2$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 20802600

約数和(自身を除く): 12101360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 107, 152, 190, 214, 380, 428, 535, 760, 856, 1070, 2033, 2140, 4066, 4280, 8132, 10165, 11449, 16264, 20330, 22898, 40660, 45796, 57245, 81320, 91592, 114490, 217531, 228980, 435062, 457960, 870124, 1087655, 1740248, 2175310, 4350620, 8701240]

約数ペア:

[(1, 8701240), (2, 4350620), (4, 2175310), (5, 1740248), (8, 1087655), (10, 870124), (19, 457960), (20, 435062), (38, 228980), (40, 217531), (76, 114490), (95, 91592), (107, 81320), (152, 57245), (190, 45796), (214, 40660), (380, 22898), (428, 20330), (535, 16264), (760, 11449), (856, 10165), (1070, 8132), (2033, 4280), (2140, 4066)]