91389520

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{11777}}^1$

素因数の和:11887

約数の個数: 40

約数和(自身を含む): 214689384

約数和(自身を除く): 123299864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 11777, 23554, 47108, 58885, 94216, 117770, 188432, 235540, 471080, 942160, 1142369, 2284738, 4569476, 5711845, 9138952, 11423690, 18277904, 22847380, 45694760, 91389520]

約数ペア:

[(1, 91389520), (2, 45694760), (4, 22847380), (5, 18277904), (8, 11423690), (10, 9138952), (16, 5711845), (20, 4569476), (40, 2284738), (80, 1142369), (97, 942160), (194, 471080), (388, 235540), (485, 188432), (776, 117770), (970, 94216), (1552, 58885), (1940, 47108), (3880, 23554), (7760, 11777)]