27831361520

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1\times {\mathrm{18047}}^1$

素因数の和:18618

約数の個数: 80

約数和(自身を含む): 66588023808

約数和(自身を除く): 38756662288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 521, 592, 740, 1042, 1480, 2084, 2605, 2960, 4168, 5210, 8336, 10420, 18047, 19277, 20840, 36094, 38554, 41680, 72188, 77108, 90235, 96385, 144376, 154216, 180470, 192770, 288752, 308432, 360940, 385540, 667739, 721880, 771080, 1335478, 1443760, 1542160, 2670956, 3338695, 5341912, 6677390, 9402487, 10683824, 13354780, 18804974, 26709560, 37609948, 47012435, 53419120, 75219896, 94024870, 150439792, 188049740, 347892019, 376099480, 695784038, 752198960, 1391568076, 1739460095, 2783136152, 3478920190, 5566272304, 6957840380, 13915680760, 27831361520]

約数ペア:

[(1, 27831361520), (2, 13915680760), (4, 6957840380), (5, 5566272304), (8, 3478920190), (10, 2783136152), (16, 1739460095), (20, 1391568076), (37, 752198960), (40, 695784038), (74, 376099480), (80, 347892019), (148, 188049740), (185, 150439792), (296, 94024870), (370, 75219896), (521, 53419120), (592, 47012435), (740, 37609948), (1042, 26709560), (1480, 18804974), (2084, 13354780), (2605, 10683824), (2960, 9402487), (4168, 6677390), (5210, 5341912), (8336, 3338695), (10420, 2670956), (18047, 1542160), (19277, 1443760), (20840, 1335478), (36094, 771080), (38554, 721880), (41680, 667739), (72188, 385540), (77108, 360940), (90235, 308432), (96385, 288752), (144376, 192770), (154216, 180470)]