169617880

素因数分解:

$2^3\times 5^1\times {\mathrm{4240447}}^1$

素因数の和:4240458

約数の個数: 16

約数和(自身を含む): 381640320

約数和(自身を除く): 212022440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4240447, 8480894, 16961788, 21202235, 33923576, 42404470, 84808940, 169617880]

約数ペア:

[(1, 169617880), (2, 84808940), (4, 42404470), (5, 33923576), (8, 21202235), (10, 16961788), (20, 8480894), (40, 4240447)]