405156739280

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{64107079}}^1$

素因数の和:64107171

約数の個数: 40

約数和(自身を含む): 953913350400

約数和(自身を除く): 548756611120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 64107079, 128214158, 256428316, 320535395, 512856632, 641070790, 1025713264, 1282141580, 2564283160, 5064459241, 5128566320, 10128918482, 20257836964, 25322296205, 40515673928, 50644592410, 81031347856, 101289184820, 202578369640, 405156739280]

約数ペア:

[(1, 405156739280), (2, 202578369640), (4, 101289184820), (5, 81031347856), (8, 50644592410), (10, 40515673928), (16, 25322296205), (20, 20257836964), (40, 10128918482), (79, 5128566320), (80, 5064459241), (158, 2564283160), (316, 1282141580), (395, 1025713264), (632, 641070790), (790, 512856632), (1264, 320535395), (1580, 256428316), (3160, 128214158), (6320, 64107079)]