1661523880

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{500459}}^1$

素因数の和:500553

約数の個数: 32

約数和(自身を含む): 3783477600

約数和(自身を除く): 2121953720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 500459, 1000918, 2001836, 2502295, 4003672, 5004590, 10009180, 20018360, 41538097, 83076194, 166152388, 207690485, 332304776, 415380970, 830761940, 1661523880]

約数ペア:

[(1, 1661523880), (2, 830761940), (4, 415380970), (5, 332304776), (8, 207690485), (10, 166152388), (20, 83076194), (40, 41538097), (83, 20018360), (166, 10009180), (332, 5004590), (415, 4003672), (664, 2502295), (830, 2001836), (1660, 1000918), (3320, 500459)]