80372005

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 124104960

約数和(自身を除く): 43732955

約数列:

[1, 5, 7, 17, 23, 35, 49, 85, 115, 119, 161, 245, 391, 595, 805, 833, 839, 1127, 1955, 2737, 4165, 4195, 5635, 5873, 13685, 14263, 19159, 19297, 29365, 41111, 71315, 95795, 96485, 99841, 135079, 205555, 328049, 499205, 675395, 698887, 945553, 1640245, 2296343, 3494435, 4727765, 11481715, 16074401, 80372005]

約数ペア:

[(1, 80372005), (5, 16074401), (7, 11481715), (17, 4727765), (23, 3494435), (35, 2296343), (49, 1640245), (85, 945553), (115, 698887), (119, 675395), (161, 499205), (245, 328049), (391, 205555), (595, 135079), (805, 99841), (833, 96485), (839, 95795), (1127, 71315), (1955, 41111), (2737, 29365), (4165, 19297), (4195, 19159), (5635, 14263), (5873, 13685)]