131456120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{106013}}^1$

素因数の和:106055

約数の個数: 32

約数和(自身を含む): 305320320

約数和(自身を除く): 173864200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 106013, 212026, 424052, 530065, 848104, 1060130, 2120260, 3286403, 4240520, 6572806, 13145612, 16432015, 26291224, 32864030, 65728060, 131456120]

約数ペア:

[(1, 131456120), (2, 65728060), (4, 32864030), (5, 26291224), (8, 16432015), (10, 13145612), (20, 6572806), (31, 4240520), (40, 3286403), (62, 2120260), (124, 1060130), (155, 848104), (248, 530065), (310, 424052), (620, 212026), (1240, 106013)]