77543740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{39971}}^1$

素因数の和:40077

約数の個数: 24

約数和(自身を含む): 164524752

約数和(自身を除く): 86981012

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 39971, 79942, 159884, 199855, 399710, 799420, 3877187, 7754374, 15508748, 19385935, 38771870, 77543740]

約数ペア:

[(1, 77543740), (2, 38771870), (4, 19385935), (5, 15508748), (10, 7754374), (20, 3877187), (97, 799420), (194, 399710), (388, 199855), (485, 159884), (970, 79942), (1940, 39971)]