26064929920

素因数分解:

$2^7\times 5^1\times {\mathrm{997}}^1\times {\mathrm{40849}}^1$

素因数の和:41865

約数の個数: 64

約数和(自身を含む): 62375499000

約数和(自身を除く): 36310569080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 997, 1994, 3988, 4985, 7976, 9970, 15952, 19940, 31904, 39880, 40849, 63808, 79760, 81698, 127616, 159520, 163396, 204245, 319040, 326792, 408490, 638080, 653584, 816980, 1307168, 1633960, 2614336, 3267920, 5228672, 6535840, 13071680, 26143360, 40726453, 81452906, 162905812, 203632265, 325811624, 407264530, 651623248, 814529060, 1303246496, 1629058120, 2606492992, 3258116240, 5212985984, 6516232480, 13032464960, 26064929920]

約数ペア:

[(1, 26064929920), (2, 13032464960), (4, 6516232480), (5, 5212985984), (8, 3258116240), (10, 2606492992), (16, 1629058120), (20, 1303246496), (32, 814529060), (40, 651623248), (64, 407264530), (80, 325811624), (128, 203632265), (160, 162905812), (320, 81452906), (640, 40726453), (997, 26143360), (1994, 13071680), (3988, 6535840), (4985, 5228672), (7976, 3267920), (9970, 2614336), (15952, 1633960), (19940, 1307168), (31904, 816980), (39880, 653584), (40849, 638080), (63808, 408490), (79760, 326792), (81698, 319040), (127616, 204245), (159520, 163396)]