200518420

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{50893}}^1$

素因数の和:51099

約数の個数: 24

約数和(自身を含む): 423234504

約数和(自身を除く): 222716084

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 50893, 101786, 203572, 254465, 508930, 1017860, 10025921, 20051842, 40103684, 50129605, 100259210, 200518420]

約数ペア:

[(1, 200518420), (2, 100259210), (4, 50129605), (5, 40103684), (10, 20051842), (20, 10025921), (197, 1017860), (394, 508930), (788, 254465), (985, 203572), (1970, 101786), (3940, 50893)]