19880040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{165667}}^1$

素因数の和:165681

約数の個数: 32

約数和(自身を含む): 59640480

約数和(自身を除く): 39760440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 165667, 331334, 497001, 662668, 828335, 994002, 1325336, 1656670, 1988004, 2485005, 3313340, 3976008, 4970010, 6626680, 9940020, 19880040]

約数ペア:

[(1, 19880040), (2, 9940020), (3, 6626680), (4, 4970010), (5, 3976008), (6, 3313340), (8, 2485005), (10, 1988004), (12, 1656670), (15, 1325336), (20, 994002), (24, 828335), (30, 662668), (40, 497001), (60, 331334), (120, 165667)]