80820890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{475417}}^1$

素因数の和:475441

約数の個数: 16

約数和(自身を含む): 154035432

約数和(自身を除く): 73214542

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 475417, 950834, 2377085, 4754170, 8082089, 16164178, 40410445, 80820890]

約数ペア:

[(1, 80820890), (2, 40410445), (5, 16164178), (10, 8082089), (17, 4754170), (34, 2377085), (85, 950834), (170, 475417)]