25945060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 58215024

約数和(自身を除く): 32269964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 274, 340, 548, 557, 685, 1114, 1370, 2228, 2329, 2740, 2785, 4658, 5570, 9316, 9469, 11140, 11645, 18938, 23290, 37876, 46580, 47345, 76309, 94690, 152618, 189380, 305236, 381545, 763090, 1297253, 1526180, 2594506, 5189012, 6486265, 12972530, 25945060]

約数ペア:

[(1, 25945060), (2, 12972530), (4, 6486265), (5, 5189012), (10, 2594506), (17, 1526180), (20, 1297253), (34, 763090), (68, 381545), (85, 305236), (137, 189380), (170, 152618), (274, 94690), (340, 76309), (548, 47345), (557, 46580), (685, 37876), (1114, 23290), (1370, 18938), (2228, 11645), (2329, 11140), (2740, 9469), (2785, 9316), (4658, 5570)]