27989840

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1933}}^1$

素因数の和:2127

約数の個数: 40

約数和(自身を含む): 65469768

約数和(自身を除く): 37479928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 1933, 2896, 3620, 3866, 7240, 7732, 9665, 14480, 15464, 19330, 30928, 38660, 77320, 154640, 349873, 699746, 1399492, 1749365, 2798984, 3498730, 5597968, 6997460, 13994920, 27989840]

約数ペア:

[(1, 27989840), (2, 13994920), (4, 6997460), (5, 5597968), (8, 3498730), (10, 2798984), (16, 1749365), (20, 1399492), (40, 699746), (80, 349873), (181, 154640), (362, 77320), (724, 38660), (905, 30928), (1448, 19330), (1810, 15464), (1933, 14480), (2896, 9665), (3620, 7732), (3866, 7240)]