178802020

素因数分解:

$2^2\times 5^1\times {\mathrm{2357}}^1\times {\mathrm{3793}}^1$

素因数の和:6159

約数の個数: 24

約数和(自身を含む): 375742584

約数和(自身を除く): 196940564

約数列:

[1, 2, 4, 5, 10, 20, 2357, 3793, 4714, 7586, 9428, 11785, 15172, 18965, 23570, 37930, 47140, 75860, 8940101, 17880202, 35760404, 44700505, 89401010, 178802020]

約数ペア:

[(1, 178802020), (2, 89401010), (4, 44700505), (5, 35760404), (10, 17880202), (20, 8940101), (2357, 75860), (3793, 47140), (4714, 37930), (7586, 23570), (9428, 18965), (11785, 15172)]