81353410

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 158630400

約数和(自身を除く): 77276990

約数列:

[1, 2, 5, 10, 29, 53, 58, 67, 79, 106, 134, 145, 158, 265, 290, 335, 395, 530, 670, 790, 1537, 1943, 2291, 3074, 3551, 3886, 4187, 4582, 5293, 7102, 7685, 8374, 9715, 10586, 11455, 15370, 17755, 19430, 20935, 22910, 26465, 35510, 41870, 52930, 102979, 121423, 153497, 205958, 242846, 280529, 306994, 514895, 561058, 607115, 767485, 1029790, 1214230, 1402645, 1534970, 2805290, 8135341, 16270682, 40676705, 81353410]

約数ペア:

[(1, 81353410), (2, 40676705), (5, 16270682), (10, 8135341), (29, 2805290), (53, 1534970), (58, 1402645), (67, 1214230), (79, 1029790), (106, 767485), (134, 607115), (145, 561058), (158, 514895), (265, 306994), (290, 280529), (335, 242846), (395, 205958), (530, 153497), (670, 121423), (790, 102979), (1537, 52930), (1943, 41870), (2291, 35510), (3074, 26465), (3551, 22910), (3886, 20935), (4187, 19430), (4582, 17755), (5293, 15370), (7102, 11455), (7685, 10586), (8374, 9715)]