38439160

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{9907}}^1$

素因数の和:10015

約数の個数: 32

約数和(自身を含む): 87388560

約数和(自身を除く): 48949400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 9907, 19814, 39628, 49535, 79256, 99070, 198140, 396280, 960979, 1921958, 3843916, 4804895, 7687832, 9609790, 19219580, 38439160]

約数ペア:

[(1, 38439160), (2, 19219580), (4, 9609790), (5, 7687832), (8, 4804895), (10, 3843916), (20, 1921958), (40, 960979), (97, 396280), (194, 198140), (388, 99070), (485, 79256), (776, 49535), (970, 39628), (1940, 19814), (3880, 9907)]