2560983920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2910209}}^1$

素因数の和:2910233

約数の個数: 40

約数和(自身を含む): 6495588720

約数和(自身を除く): 3934604800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2910209, 5820418, 11640836, 14551045, 23281672, 29102090, 32012299, 46563344, 58204180, 64024598, 116408360, 128049196, 160061495, 232816720, 256098392, 320122990, 512196784, 640245980, 1280491960, 2560983920]

約数ペア:

[(1, 2560983920), (2, 1280491960), (4, 640245980), (5, 512196784), (8, 320122990), (10, 256098392), (11, 232816720), (16, 160061495), (20, 128049196), (22, 116408360), (40, 64024598), (44, 58204180), (55, 46563344), (80, 32012299), (88, 29102090), (110, 23281672), (176, 14551045), (220, 11640836), (440, 5820418), (880, 2910209)]