31495180

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{18973}}^1$

素因数の和:19065

約数の個数: 24

約数和(自身を含む): 66940272

約数和(自身を除く): 35445092

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 18973, 37946, 75892, 94865, 189730, 379460, 1574759, 3149518, 6299036, 7873795, 15747590, 31495180]

約数ペア:

[(1, 31495180), (2, 15747590), (4, 7873795), (5, 6299036), (10, 3149518), (20, 1574759), (83, 379460), (166, 189730), (332, 94865), (415, 75892), (830, 37946), (1660, 18973)]