181072580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{696433}}^1$

素因数の和:696455

約数の個数: 24

約数和(自身を含む): 409503192

約数和(自身を除く): 228430612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 696433, 1392866, 2785732, 3482165, 6964330, 9053629, 13928660, 18107258, 36214516, 45268145, 90536290, 181072580]

約数ペア:

[(1, 181072580), (2, 90536290), (4, 45268145), (5, 36214516), (10, 18107258), (13, 13928660), (20, 9053629), (26, 6964330), (52, 3482165), (65, 2785732), (130, 1392866), (260, 696433)]