19973040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83221}}^1$

素因数の和:83237

約数の個数: 40

約数和(自身を含む): 61917168

約数和(自身を除く): 41944128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 83221, 166442, 249663, 332884, 416105, 499326, 665768, 832210, 998652, 1248315, 1331536, 1664420, 1997304, 2496630, 3328840, 3994608, 4993260, 6657680, 9986520, 19973040]

約数ペア:

[(1, 19973040), (2, 9986520), (3, 6657680), (4, 4993260), (5, 3994608), (6, 3328840), (8, 2496630), (10, 1997304), (12, 1664420), (15, 1331536), (16, 1248315), (20, 998652), (24, 832210), (30, 665768), (40, 499326), (48, 416105), (60, 332884), (80, 249663), (120, 166442), (240, 83221)]