40805836820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{527071}}^1$

素因数の和:527173

約数の個数: 72

約数和(自身を含む): 100944829440

約数和(自身を除く): 60138992620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 790, 980, 1106, 1580, 2212, 2765, 3871, 5530, 7742, 11060, 15484, 19355, 38710, 77420, 527071, 1054142, 2108284, 2635355, 3689497, 5270710, 7378994, 10541420, 14757988, 18447485, 25826479, 36894970, 41638609, 51652958, 73789940, 83277218, 103305916, 129132395, 166554436, 208193045, 258264790, 291470263, 416386090, 516529580, 582940526, 832772180, 1165881052, 1457351315, 2040291841, 2914702630, 4080583682, 5829405260, 8161167364, 10201459205, 20402918410, 40805836820]

約数ペア:

[(1, 40805836820), (2, 20402918410), (4, 10201459205), (5, 8161167364), (7, 5829405260), (10, 4080583682), (14, 2914702630), (20, 2040291841), (28, 1457351315), (35, 1165881052), (49, 832772180), (70, 582940526), (79, 516529580), (98, 416386090), (140, 291470263), (158, 258264790), (196, 208193045), (245, 166554436), (316, 129132395), (395, 103305916), (490, 83277218), (553, 73789940), (790, 51652958), (980, 41638609), (1106, 36894970), (1580, 25826479), (2212, 18447485), (2765, 14757988), (3871, 10541420), (5530, 7378994), (7742, 5270710), (11060, 3689497), (15484, 2635355), (19355, 2108284), (38710, 1054142), (77420, 527071)]