91411280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{60139}}^1$

素因数の和:60171

約数の個数: 40

約数和(自身を含む): 223720800

約数和(自身を除く): 132309520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 60139, 120278, 240556, 300695, 481112, 601390, 962224, 1142641, 1202780, 2285282, 2405560, 4570564, 4811120, 5713205, 9141128, 11426410, 18282256, 22852820, 45705640, 91411280]

約数ペア:

[(1, 91411280), (2, 45705640), (4, 22852820), (5, 18282256), (8, 11426410), (10, 9141128), (16, 5713205), (19, 4811120), (20, 4570564), (38, 2405560), (40, 2285282), (76, 1202780), (80, 1142641), (95, 962224), (152, 601390), (190, 481112), (304, 300695), (380, 240556), (760, 120278), (1520, 60139)]