13453400

素因数分解:

$2^3\times 5^2\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 31571640

約数和(自身を除く): 18118240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 137, 200, 274, 491, 548, 685, 982, 1096, 1370, 1964, 2455, 2740, 3425, 3928, 4910, 5480, 6850, 9820, 12275, 13700, 19640, 24550, 27400, 49100, 67267, 98200, 134534, 269068, 336335, 538136, 672670, 1345340, 1681675, 2690680, 3363350, 6726700, 13453400]

約数ペア:

[(1, 13453400), (2, 6726700), (4, 3363350), (5, 2690680), (8, 1681675), (10, 1345340), (20, 672670), (25, 538136), (40, 336335), (50, 269068), (100, 134534), (137, 98200), (200, 67267), (274, 49100), (491, 27400), (548, 24550), (685, 19640), (982, 13700), (1096, 12275), (1370, 9820), (1964, 6850), (2455, 5480), (2740, 4910), (3425, 3928)]