804909400

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{39847}}^1$

素因数の和:39964

約数の個数: 48

約数和(自身を含む): 1889990640

約数和(自身を除く): 1085081240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 2020, 2525, 4040, 5050, 10100, 20200, 39847, 79694, 159388, 199235, 318776, 398470, 796940, 996175, 1593880, 1992350, 3984700, 4024547, 7969400, 8049094, 16098188, 20122735, 32196376, 40245470, 80490940, 100613675, 160981880, 201227350, 402454700, 804909400]

約数ペア:

[(1, 804909400), (2, 402454700), (4, 201227350), (5, 160981880), (8, 100613675), (10, 80490940), (20, 40245470), (25, 32196376), (40, 20122735), (50, 16098188), (100, 8049094), (101, 7969400), (200, 4024547), (202, 3984700), (404, 1992350), (505, 1593880), (808, 996175), (1010, 796940), (2020, 398470), (2525, 318776), (4040, 199235), (5050, 159388), (10100, 79694), (20200, 39847)]