85816240

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6581}}^1$

素因数の和:6757

約数の個数: 40

約数和(自身を含む): 200777328

約数和(自身を除く): 114961088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 6581, 13040, 13162, 26324, 32905, 52648, 65810, 105296, 131620, 263240, 526480, 1072703, 2145406, 4290812, 5363515, 8581624, 10727030, 17163248, 21454060, 42908120, 85816240]

約数ペア:

[(1, 85816240), (2, 42908120), (4, 21454060), (5, 17163248), (8, 10727030), (10, 8581624), (16, 5363515), (20, 4290812), (40, 2145406), (80, 1072703), (163, 526480), (326, 263240), (652, 131620), (815, 105296), (1304, 65810), (1630, 52648), (2608, 32905), (3260, 26324), (6520, 13162), (6581, 13040)]