25994380

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 56337120

約数和(自身を除く): 30342740

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 137, 179, 212, 265, 274, 358, 530, 548, 685, 716, 895, 1060, 1370, 1790, 2740, 3580, 7261, 9487, 14522, 18974, 24523, 29044, 36305, 37948, 47435, 49046, 72610, 94870, 98092, 122615, 145220, 189740, 245230, 490460, 1299719, 2599438, 5198876, 6498595, 12997190, 25994380]

約数ペア:

[(1, 25994380), (2, 12997190), (4, 6498595), (5, 5198876), (10, 2599438), (20, 1299719), (53, 490460), (106, 245230), (137, 189740), (179, 145220), (212, 122615), (265, 98092), (274, 94870), (358, 72610), (530, 49046), (548, 47435), (685, 37948), (716, 36305), (895, 29044), (1060, 24523), (1370, 18974), (1790, 14522), (2740, 9487), (3580, 7261)]