158236220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{192971}}^1$

素因数の和:193021

約数の個数: 24

約数和(自身を含む): 340402608

約数和(自身を除く): 182166388

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 192971, 385942, 771884, 964855, 1929710, 3859420, 7911811, 15823622, 31647244, 39559055, 79118110, 158236220]

約数ペア:

[(1, 158236220), (2, 79118110), (4, 39559055), (5, 31647244), (10, 15823622), (20, 7911811), (41, 3859420), (82, 1929710), (164, 964855), (205, 771884), (410, 385942), (820, 192971)]