38815840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{4951}}^1$

素因数の和:4980

約数の個数: 72

約数和(自身を含む): 106695792

約数和(自身を除く): 67879952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 4951, 7840, 9902, 19804, 24755, 34657, 39608, 49510, 69314, 79216, 99020, 138628, 158432, 173285, 198040, 242599, 277256, 346570, 396080, 485198, 554512, 693140, 792160, 970396, 1109024, 1212995, 1386280, 1940792, 2425990, 2772560, 3881584, 4851980, 5545120, 7763168, 9703960, 19407920, 38815840]

約数ペア:

[(1, 38815840), (2, 19407920), (4, 9703960), (5, 7763168), (7, 5545120), (8, 4851980), (10, 3881584), (14, 2772560), (16, 2425990), (20, 1940792), (28, 1386280), (32, 1212995), (35, 1109024), (40, 970396), (49, 792160), (56, 693140), (70, 554512), (80, 485198), (98, 396080), (112, 346570), (140, 277256), (160, 242599), (196, 198040), (224, 173285), (245, 158432), (280, 138628), (392, 99020), (490, 79216), (560, 69314), (784, 49510), (980, 39608), (1120, 34657), (1568, 24755), (1960, 19804), (3920, 9902), (4951, 7840)]