82798480

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:532

約数の個数: 80

約数和(自身を含む): 201884400

約数和(自身を除く): 119085920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 89, 116, 145, 178, 232, 290, 356, 401, 445, 464, 580, 712, 802, 890, 1160, 1424, 1604, 1780, 2005, 2320, 2581, 3208, 3560, 4010, 5162, 6416, 7120, 8020, 10324, 11629, 12905, 16040, 20648, 23258, 25810, 32080, 35689, 41296, 46516, 51620, 58145, 71378, 93032, 103240, 116290, 142756, 178445, 186064, 206480, 232580, 285512, 356890, 465160, 571024, 713780, 930320, 1034981, 1427560, 2069962, 2855120, 4139924, 5174905, 8279848, 10349810, 16559696, 20699620, 41399240, 82798480]

約数ペア:

[(1, 82798480), (2, 41399240), (4, 20699620), (5, 16559696), (8, 10349810), (10, 8279848), (16, 5174905), (20, 4139924), (29, 2855120), (40, 2069962), (58, 1427560), (80, 1034981), (89, 930320), (116, 713780), (145, 571024), (178, 465160), (232, 356890), (290, 285512), (356, 232580), (401, 206480), (445, 186064), (464, 178445), (580, 142756), (712, 116290), (802, 103240), (890, 93032), (1160, 71378), (1424, 58145), (1604, 51620), (1780, 46516), (2005, 41296), (2320, 35689), (2581, 32080), (3208, 25810), (3560, 23258), (4010, 20648), (5162, 16040), (6416, 12905), (7120, 11629), (8020, 10324)]