39120520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16033}}^1$

素因数の和:16105

約数の個数: 32

約数和(自身を含む): 89469720

約数和(自身を除く): 50349200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 16033, 32066, 64132, 80165, 128264, 160330, 320660, 641320, 978013, 1956026, 3912052, 4890065, 7824104, 9780130, 19560260, 39120520]

約数ペア:

[(1, 39120520), (2, 19560260), (4, 9780130), (5, 7824104), (8, 4890065), (10, 3912052), (20, 1956026), (40, 978013), (61, 641320), (122, 320660), (244, 160330), (305, 128264), (488, 80165), (610, 64132), (1220, 32066), (2440, 16033)]