2012049920

素因数分解:

$2^9\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2797}}^1$

素因数の和:3101

約数の個数: 80

約数和(自身を含む): 4843102968

約数和(自身を除く): 2831053048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 281, 320, 512, 562, 640, 1124, 1280, 1405, 2248, 2560, 2797, 2810, 4496, 5594, 5620, 8992, 11188, 11240, 13985, 17984, 22376, 22480, 27970, 35968, 44752, 44960, 55940, 71936, 89504, 89920, 111880, 143872, 179008, 179840, 223760, 358016, 359680, 447520, 716032, 719360, 785957, 895040, 1432064, 1571914, 1790080, 3143828, 3580160, 3929785, 6287656, 7160320, 7859570, 12575312, 15719140, 25150624, 31438280, 50301248, 62876560, 100602496, 125753120, 201204992, 251506240, 402409984, 503012480, 1006024960, 2012049920]

約数ペア:

[(1, 2012049920), (2, 1006024960), (4, 503012480), (5, 402409984), (8, 251506240), (10, 201204992), (16, 125753120), (20, 100602496), (32, 62876560), (40, 50301248), (64, 31438280), (80, 25150624), (128, 15719140), (160, 12575312), (256, 7859570), (281, 7160320), (320, 6287656), (512, 3929785), (562, 3580160), (640, 3143828), (1124, 1790080), (1280, 1571914), (1405, 1432064), (2248, 895040), (2560, 785957), (2797, 719360), (2810, 716032), (4496, 447520), (5594, 359680), (5620, 358016), (8992, 223760), (11188, 179840), (11240, 179008), (13985, 143872), (17984, 111880), (22376, 89920), (22480, 89504), (27970, 71936), (35968, 55940), (44752, 44960)]