2160994760

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{5569}}^1$

素因数の和:5778

約数の個数: 64

約数和(自身を含む): 4962870000

約数和(自身を除く): 2801875240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 109, 178, 218, 356, 436, 445, 545, 712, 872, 890, 1090, 1780, 2180, 3560, 4360, 5569, 9701, 11138, 19402, 22276, 27845, 38804, 44552, 48505, 55690, 77608, 97010, 111380, 194020, 222760, 388040, 495641, 607021, 991282, 1214042, 1982564, 2428084, 2478205, 3035105, 3965128, 4856168, 4956410, 6070210, 9912820, 12140420, 19825640, 24280840, 54024869, 108049738, 216099476, 270124345, 432198952, 540248690, 1080497380, 2160994760]

約数ペア:

[(1, 2160994760), (2, 1080497380), (4, 540248690), (5, 432198952), (8, 270124345), (10, 216099476), (20, 108049738), (40, 54024869), (89, 24280840), (109, 19825640), (178, 12140420), (218, 9912820), (356, 6070210), (436, 4956410), (445, 4856168), (545, 3965128), (712, 3035105), (872, 2478205), (890, 2428084), (1090, 1982564), (1780, 1214042), (2180, 991282), (3560, 607021), (4360, 495641), (5569, 388040), (9701, 222760), (11138, 194020), (19402, 111380), (22276, 97010), (27845, 77608), (38804, 55690), (44552, 48505)]