21799681280

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1310077}}^1$

素因数の和:1310111

約数の個数: 72

約数和(自身を含む): 56233788072

約数和(自身を除く): 34434106792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 1310077, 2620154, 5240308, 6550385, 10480616, 13100770, 17031001, 20961232, 26201540, 34062002, 41922464, 52403080, 68124004, 83844928, 85155005, 104806160, 136248008, 167689856, 170310010, 209612320, 272496016, 335379712, 340620020, 419224640, 544992032, 681240040, 838449280, 1089984064, 1362480080, 1676898560, 2179968128, 2724960160, 4359936256, 5449920320, 10899840640, 21799681280]

約数ペア:

[(1, 21799681280), (2, 10899840640), (4, 5449920320), (5, 4359936256), (8, 2724960160), (10, 2179968128), (13, 1676898560), (16, 1362480080), (20, 1089984064), (26, 838449280), (32, 681240040), (40, 544992032), (52, 419224640), (64, 340620020), (65, 335379712), (80, 272496016), (104, 209612320), (128, 170310010), (130, 167689856), (160, 136248008), (208, 104806160), (256, 85155005), (260, 83844928), (320, 68124004), (416, 52403080), (520, 41922464), (640, 34062002), (832, 26201540), (1040, 20961232), (1280, 17031001), (1664, 13100770), (2080, 10480616), (3328, 6550385), (4160, 5240308), (8320, 2620154), (16640, 1310077)]