16000520

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{659}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 36115200

約数和(自身を除く): 20114680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 659, 1214, 1318, 2428, 2636, 3035, 3295, 4856, 5272, 6070, 6590, 12140, 13180, 24280, 26360, 400013, 800026, 1600052, 2000065, 3200104, 4000130, 8000260, 16000520]

約数ペア:

[(1, 16000520), (2, 8000260), (4, 4000130), (5, 3200104), (8, 2000065), (10, 1600052), (20, 800026), (40, 400013), (607, 26360), (659, 24280), (1214, 13180), (1318, 12140), (2428, 6590), (2636, 6070), (3035, 5272), (3295, 4856)]