38897000

素因数分解:

$2^3\times 5^3\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 92186640

約数和(自身を除く): 53289640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 125, 194, 200, 250, 388, 401, 485, 500, 776, 802, 970, 1000, 1604, 1940, 2005, 2425, 3208, 3880, 4010, 4850, 8020, 9700, 10025, 12125, 16040, 19400, 20050, 24250, 38897, 40100, 48500, 50125, 77794, 80200, 97000, 100250, 155588, 194485, 200500, 311176, 388970, 401000, 777940, 972425, 1555880, 1944850, 3889700, 4862125, 7779400, 9724250, 19448500, 38897000]

約数ペア:

[(1, 38897000), (2, 19448500), (4, 9724250), (5, 7779400), (8, 4862125), (10, 3889700), (20, 1944850), (25, 1555880), (40, 972425), (50, 777940), (97, 401000), (100, 388970), (125, 311176), (194, 200500), (200, 194485), (250, 155588), (388, 100250), (401, 97000), (485, 80200), (500, 77794), (776, 50125), (802, 48500), (970, 40100), (1000, 38897), (1604, 24250), (1940, 20050), (2005, 19400), (2425, 16040), (3208, 12125), (3880, 10025), (4010, 9700), (4850, 8020)]