159995920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{285707}}^1$

素因数の和:285727

約数の個数: 40

約数和(自身を含む): 425133504

約数和(自身を除く): 265137584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 285707, 571414, 1142828, 1428535, 1999949, 2285656, 2857070, 3999898, 4571312, 5714140, 7999796, 9999745, 11428280, 15999592, 19999490, 22856560, 31999184, 39998980, 79997960, 159995920]

約数ペア:

[(1, 159995920), (2, 79997960), (4, 39998980), (5, 31999184), (7, 22856560), (8, 19999490), (10, 15999592), (14, 11428280), (16, 9999745), (20, 7999796), (28, 5714140), (35, 4571312), (40, 3999898), (56, 2857070), (70, 2285656), (80, 1999949), (112, 1428535), (140, 1142828), (280, 571414), (560, 285707)]