201575720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{82613}}^1$

素因数の和:82685

約数の個数: 32

約数和(自身を含む): 460986120

約数和(自身を除く): 259410400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 82613, 165226, 330452, 413065, 660904, 826130, 1652260, 3304520, 5039393, 10078786, 20157572, 25196965, 40315144, 50393930, 100787860, 201575720]

約数ペア:

[(1, 201575720), (2, 100787860), (4, 50393930), (5, 40315144), (8, 25196965), (10, 20157572), (20, 10078786), (40, 5039393), (61, 3304520), (122, 1652260), (244, 826130), (305, 660904), (488, 413065), (610, 330452), (1220, 165226), (2440, 82613)]