31030240

素因数分解:

$2^5\times 5^1\times {\mathrm{193939}}^1$

素因数の和:193954

約数の個数: 24

約数和(自身を含む): 73309320

約数和(自身を除く): 42279080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 193939, 387878, 775756, 969695, 1551512, 1939390, 3103024, 3878780, 6206048, 7757560, 15515120, 31030240]

約数ペア:

[(1, 31030240), (2, 15515120), (4, 7757560), (5, 6206048), (8, 3878780), (10, 3103024), (16, 1939390), (20, 1551512), (32, 969695), (40, 775756), (80, 387878), (160, 193939)]