120520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 285120

約数和(自身を除く): 164600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 131, 184, 230, 262, 460, 524, 655, 920, 1048, 1310, 2620, 3013, 5240, 6026, 12052, 15065, 24104, 30130, 60260, 120520]

約数ペア:

[(1, 120520), (2, 60260), (4, 30130), (5, 24104), (8, 15065), (10, 12052), (20, 6026), (23, 5240), (40, 3013), (46, 2620), (92, 1310), (115, 1048), (131, 920), (184, 655), (230, 524), (262, 460)]