161639180

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97373}}^1$

素因数の和:97465

約数の個数: 24

約数和(自身を含む): 343535472

約数和(自身を除く): 181896292

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 97373, 194746, 389492, 486865, 973730, 1947460, 8081959, 16163918, 32327836, 40409795, 80819590, 161639180]

約数ペア:

[(1, 161639180), (2, 80819590), (4, 40409795), (5, 32327836), (10, 16163918), (20, 8081959), (83, 1947460), (166, 973730), (332, 486865), (415, 389492), (830, 194746), (1660, 97373)]