98702920

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{13633}}^1$

素因数の和:13825

約数の個数: 32

約数和(自身を含む): 223324920

約数和(自身を除く): 124622000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 13633, 27266, 54532, 68165, 109064, 136330, 272660, 545320, 2467573, 4935146, 9870292, 12337865, 19740584, 24675730, 49351460, 98702920]

約数ペア:

[(1, 98702920), (2, 49351460), (4, 24675730), (5, 19740584), (8, 12337865), (10, 9870292), (20, 4935146), (40, 2467573), (181, 545320), (362, 272660), (724, 136330), (905, 109064), (1448, 68165), (1810, 54532), (3620, 27266), (7240, 13633)]