2020769920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2729}}^1$

素因数の和:2850

約数の個数: 128

約数和(自身を含む): 5262894000

約数和(自身を除く): 3242124080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 89, 104, 128, 130, 160, 178, 208, 260, 320, 356, 416, 445, 520, 640, 712, 832, 890, 1040, 1157, 1424, 1664, 1780, 2080, 2314, 2729, 2848, 3560, 4160, 4628, 5458, 5696, 5785, 7120, 8320, 9256, 10916, 11392, 11570, 13645, 14240, 18512, 21832, 23140, 27290, 28480, 35477, 37024, 43664, 46280, 54580, 56960, 70954, 74048, 87328, 92560, 109160, 141908, 148096, 174656, 177385, 185120, 218320, 242881, 283816, 349312, 354770, 370240, 436640, 485762, 567632, 709540, 740480, 873280, 971524, 1135264, 1214405, 1419080, 1746560, 1943048, 2270528, 2428810, 2838160, 3157453, 3886096, 4541056, 4857620, 5676320, 6314906, 7772192, 9715240, 11352640, 12629812, 15544384, 15787265, 19430480, 22705280, 25259624, 31088768, 31574530, 38860960, 50519248, 63149060, 77721920, 101038496, 126298120, 155443840, 202076992, 252596240, 404153984, 505192480, 1010384960, 2020769920]

約数ペア:

[(1, 2020769920), (2, 1010384960), (4, 505192480), (5, 404153984), (8, 252596240), (10, 202076992), (13, 155443840), (16, 126298120), (20, 101038496), (26, 77721920), (32, 63149060), (40, 50519248), (52, 38860960), (64, 31574530), (65, 31088768), (80, 25259624), (89, 22705280), (104, 19430480), (128, 15787265), (130, 15544384), (160, 12629812), (178, 11352640), (208, 9715240), (260, 7772192), (320, 6314906), (356, 5676320), (416, 4857620), (445, 4541056), (520, 3886096), (640, 3157453), (712, 2838160), (832, 2428810), (890, 2270528), (1040, 1943048), (1157, 1746560), (1424, 1419080), (1664, 1214405), (1780, 1135264), (2080, 971524), (2314, 873280), (2729, 740480), (2848, 709540), (3560, 567632), (4160, 485762), (4628, 436640), (5458, 370240), (5696, 354770), (5785, 349312), (7120, 283816), (8320, 242881), (9256, 218320), (10916, 185120), (11392, 177385), (11570, 174656), (13645, 148096), (14240, 141908), (18512, 109160), (21832, 92560), (23140, 87328), (27290, 74048), (28480, 70954), (35477, 56960), (37024, 54580), (43664, 46280)]