169169680

素因数分解:

$2^4\times 5^1\times {\mathrm{2114621}}^1$

素因数の和:2114634

約数の個数: 20

約数和(自身を含む): 393319692

約数和(自身を除く): 224150012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2114621, 4229242, 8458484, 10573105, 16916968, 21146210, 33833936, 42292420, 84584840, 169169680]

約数ペア:

[(1, 169169680), (2, 84584840), (4, 42292420), (5, 33833936), (8, 21146210), (10, 16916968), (16, 10573105), (20, 8458484), (40, 4229242), (80, 2114621)]