38660920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13613}}^1$

素因数の和:13695

約数の個数: 32

約数和(自身を含む): 88218720

約数和(自身を除く): 49557800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 13613, 27226, 54452, 68065, 108904, 136130, 272260, 544520, 966523, 1933046, 3866092, 4832615, 7732184, 9665230, 19330460, 38660920]

約数ペア:

[(1, 38660920), (2, 19330460), (4, 9665230), (5, 7732184), (8, 4832615), (10, 3866092), (20, 1933046), (40, 966523), (71, 544520), (142, 272260), (284, 136130), (355, 108904), (568, 68065), (710, 54452), (1420, 27226), (2840, 13613)]