38789140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{773}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 88291728

約数和(自身を除く): 49502588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 193, 260, 386, 772, 773, 965, 1546, 1930, 2509, 3092, 3860, 3865, 5018, 7730, 10036, 10049, 12545, 15460, 20098, 25090, 40196, 50180, 50245, 100490, 149189, 200980, 298378, 596756, 745945, 1491890, 1939457, 2983780, 3878914, 7757828, 9697285, 19394570, 38789140]

約数ペア:

[(1, 38789140), (2, 19394570), (4, 9697285), (5, 7757828), (10, 3878914), (13, 2983780), (20, 1939457), (26, 1491890), (52, 745945), (65, 596756), (130, 298378), (193, 200980), (260, 149189), (386, 100490), (772, 50245), (773, 50180), (965, 40196), (1546, 25090), (1930, 20098), (2509, 15460), (3092, 12545), (3860, 10049), (3865, 10036), (5018, 7730)]